uxcell M10 x 10mm Hex Socket Set Cup Point Grub Screws Black 20pcs Drive Type: Hex Socket; Head Style: Hex Head Material: 12.9 Alloy Steel; Package Content: 20 x Grub Screws Product Name: Grub Screw; Thread Size: M10 x 10mm/0.4" x 0.4"(D*L) Weight: 69g; Main Color: Black Thread Pitch: 1.5mm; Width Across Flat: 5mm/0.2"