One of the coolest upgrades out there

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* High heat resistance of ≥ 95°C after printing

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SpiderScrew Kit with Knurls - M4 - 80 pcs 2.85mm One of the coolest upgradesSpiderScrew Kit with Knurls M4 Our newest SpiderScrew Kit. 80 pcs M4 screws and 80 pcs knurls in various sizes. *20xM4 6 *20xM4 10 *15x M4 16 *15xM4 20 *10x M4 25 80 knurls in different sizes: M4*5*6, M4*5*8, M4*5*10, M4*5*12, M4*6*8, M4*6*10, M4*6*12 (M4*5*6 means ID 4mm, OD 5mm, length 6mm) A 'must have' for your 3D printer SpiderScrew Kit with Knurls M4 80 pcs Our newest SpiderScrew Kit. 80 pcs M4 screws and 80 pcs knurls in various sizes. A 'must