ITEM NAME:M3x4mm Stainless Steel Hex Socket Set Cap Point Grub Screws 50pcs I8M8 M3x4mm Stainless Steel Hex Socket Set Cap Point Grub Screws 50pcs I8M8 Drive Type: Hex Socket; Head Style: Hex Head Product Name: Grub Screws Thread Size: 3 x 4mm/0.12 x 0.16 inch (D*L) Weight: 9g. Thread Pitch: 0.5mm Total Length: 4mm/0.16 inch ; Hole Diameter: 2mm/0.08 inch Made of stainless steel, hex head grub screws cup point socket.Often used for holding a pulley, gear, or other parts from turning relative to a shaft. Material: Stainless Steel Color: Silver Package Content: 50(+/-2%)pcs x Grub Screws Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Made of stainless steel, hex head grub screws cup point socket.Often used for holding a pulley, gear, or other parts from turning relative to a shaft. Drive Type: Hex Socket; Head Style: Hex Head. Weight: 9g.