![Amazon.com: Hamineler 26 Pieces Plastic Hex Shaped Hand Knob Tightening Screw Knob Quick Removal Clamping Screw Knob Star Knobs(Metric Thread M4x12mm / M6x20mm / M8x30mm) : Industrial & Scientific Amazon.com: Hamineler 26 Pieces Plastic Hex Shaped Hand Knob Tightening Screw Knob Quick Removal Clamping Screw Knob Star Knobs(Metric Thread M4x12mm / M6x20mm / M8x30mm) : Industrial & Scientific](https://m.media-amazon.com/images/I/61NPiUByJjL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hamineler 26 Pieces Plastic Hex Shaped Hand Knob Tightening Screw Knob Quick Removal Clamping Screw Knob Star Knobs(Metric Thread M4x12mm / M6x20mm / M8x30mm) : Industrial & Scientific
![Amazon.com: CM Cosmos Pack of 6 Hand Knob Tightening Screw Grip Handheld Star Shape Screw Knobs for Machine Tool, M8 x 40mm Screw Fastener : Industrial & Scientific Amazon.com: CM Cosmos Pack of 6 Hand Knob Tightening Screw Grip Handheld Star Shape Screw Knobs for Machine Tool, M8 x 40mm Screw Fastener : Industrial & Scientific](https://m.media-amazon.com/images/I/71ZjDvwekjL.jpg)
Amazon.com: CM Cosmos Pack of 6 Hand Knob Tightening Screw Grip Handheld Star Shape Screw Knobs for Machine Tool, M8 x 40mm Screw Fastener : Industrial & Scientific
![4 Pieces M8 x 40mm Thread Replacement Star Hand Knob Tightening Screw Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob - Walmart.com 4 Pieces M8 x 40mm Thread Replacement Star Hand Knob Tightening Screw Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob - Walmart.com](https://i5.walmartimages.com/asr/86bb1955-ebb7-4bb1-b4fa-ba746247c547.6c2d29c9c9c93d2d7c61632ea5168b38.jpeg)
4 Pieces M8 x 40mm Thread Replacement Star Hand Knob Tightening Screw Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob - Walmart.com
![Amazon.com: Othmro 4Pcs Star Hand Knob Tightening Screw 50mm Dia M12x40mm Male Thread Clamping Knob Screw Hand Tightening Knobs : Industrial & Scientific Amazon.com: Othmro 4Pcs Star Hand Knob Tightening Screw 50mm Dia M12x40mm Male Thread Clamping Knob Screw Hand Tightening Knobs : Industrial & Scientific](https://m.media-amazon.com/images/I/61uK70q2UlL.jpg)
Amazon.com: Othmro 4Pcs Star Hand Knob Tightening Screw 50mm Dia M12x40mm Male Thread Clamping Knob Screw Hand Tightening Knobs : Industrial & Scientific
![Amazon.com: Othmro 2Pcs Star Hand Knob Tightening Screw 50mm Dia M10x80mm Male Thread Clamping Knob Screw Hand Tightening Knobs Amazon.com: Othmro 2Pcs Star Hand Knob Tightening Screw 50mm Dia M10x80mm Male Thread Clamping Knob Screw Hand Tightening Knobs](https://m.media-amazon.com/images/I/51ajCUlf+nL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Othmro 2Pcs Star Hand Knob Tightening Screw 50mm Dia M10x80mm Male Thread Clamping Knob Screw Hand Tightening Knobs
![Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 60mm) : Industrial & Scientific Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 60mm) : Industrial & Scientific](https://m.media-amazon.com/images/I/61oOVM4jd5S._AC_UF894,1000_QL80_.jpg)
Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 60mm) : Industrial & Scientific
![Tebru Hand Knob Screw,Knob Screw,5Pcs M6 20mm Hand Knob Tightening Screw Triangular Hand Clamping Screw Industrial Hardware - Walmart.com Tebru Hand Knob Screw,Knob Screw,5Pcs M6 20mm Hand Knob Tightening Screw Triangular Hand Clamping Screw Industrial Hardware - Walmart.com](https://i5.walmartimages.com/asr/b3d7beb8-f41c-4cf8-826d-8ea5bbe1942c.f2cb6250848f5f8176f45c7dc1280ddd.jpeg)
Tebru Hand Knob Screw,Knob Screw,5Pcs M6 20mm Hand Knob Tightening Screw Triangular Hand Clamping Screw Industrial Hardware - Walmart.com
![Amazon.com: Kenkio 6 Pieces M8 x 40mm Star Hand Knob Tightening Screw Thread Replacement Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob : Industrial & Scientific Amazon.com: Kenkio 6 Pieces M8 x 40mm Star Hand Knob Tightening Screw Thread Replacement Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob : Industrial & Scientific](https://m.media-amazon.com/images/I/61OMHWanWSL.jpg)
Amazon.com: Kenkio 6 Pieces M8 x 40mm Star Hand Knob Tightening Screw Thread Replacement Hand Tightening Knob Quick Removal Replacement Parts for Umbrella Base Replacement knob : Industrial & Scientific
![Tightening Screw, Durable Ergonomic ABS Plastic Hand Knob Screw For Industrial Hardware - Walmart.com Tightening Screw, Durable Ergonomic ABS Plastic Hand Knob Screw For Industrial Hardware - Walmart.com](https://i5.walmartimages.com/asr/ebc00fa5-ee73-492c-80c7-fb26e82b354d.e1c77551a74c03e4f8479e2aae0338c4.jpeg)
Tightening Screw, Durable Ergonomic ABS Plastic Hand Knob Screw For Industrial Hardware - Walmart.com
![Source Hand-tightening screw White plastic head screw Handle knob Round head knurled plastic head knob thumb screw on m.alibaba.com Source Hand-tightening screw White plastic head screw Handle knob Round head knurled plastic head knob thumb screw on m.alibaba.com](https://s.alicdn.com/@sc04/kf/Hd98e39baa3f14e7bb8e0de2a378b83b9B.png_720x720q50.jpg)
Source Hand-tightening screw White plastic head screw Handle knob Round head knurled plastic head knob thumb screw on m.alibaba.com
![Star Handle Screw M10 | Handle Star Knobs M8 | Hand Tighten Screw | M12 Bakelite Screw - Screws - Aliexpress Star Handle Screw M10 | Handle Star Knobs M8 | Hand Tighten Screw | M12 Bakelite Screw - Screws - Aliexpress](https://ae01.alicdn.com/kf/Se3c4dbecec304aeba8ba5ebdd4fbc674F/1pc-5pcs-knob-screw-m3-M4-M5-M6-M8-m10-m12-Bakelite-Hand-Tighten-Screw-Handle.jpg)
Star Handle Screw M10 | Handle Star Knobs M8 | Hand Tighten Screw | M12 Bakelite Screw - Screws - Aliexpress
![Hand Knob Screw, Tightening Screw Ergonomic ABS Plastic For Hand Knob Screw Fastener For Industrial Hardware - Walmart.com Hand Knob Screw, Tightening Screw Ergonomic ABS Plastic For Hand Knob Screw Fastener For Industrial Hardware - Walmart.com](https://i5.walmartimages.com/asr/235cee3f-2d16-4d69-941b-6022c1b4a343.c102f6395a4b7854f2ce796025e4e4f7.jpeg)
Hand Knob Screw, Tightening Screw Ergonomic ABS Plastic For Hand Knob Screw Fastener For Industrial Hardware - Walmart.com
![Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 25mm) : Industrial & Scientific Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 25mm) : Industrial & Scientific](https://m.media-amazon.com/images/I/51fSgpY1CwS.jpg)
Amazon.com: Kasteco 2 Pack Black 8mm(M8) Thread Replacement Star Hand Knob Tightening Screw (M8 x 25mm) : Industrial & Scientific
![Amazon.com: YXQ M8 x 40mm Thread Replacement Star Hand Knob Tightening Screw Quick Removal for Umbrella Base (3Pcs) : Industrial & Scientific Amazon.com: YXQ M8 x 40mm Thread Replacement Star Hand Knob Tightening Screw Quick Removal for Umbrella Base (3Pcs) : Industrial & Scientific](https://m.media-amazon.com/images/I/61nfGUlR1XL._AC_UF894,1000_QL80_.jpg)