Tip Diameter 4.8mm, Tip Height 2.4mm. Hex Socket Drive Size 4. Length listed does not include the tip. Black Oxide Steel Nylon Tip Set Screw M8 x 1.25 mm x 25 mm Thread Length 5 pcs Overall Length 27.4 mm Black Oxide Steel Nylon Tip Set Screw M8 x 1.25 mm x 25 mm Thread Length