Product Name: Torx Screwdriver Bit Bit Type: T30 Tip Diameter: 6 mm / 0.24 inch Shank Diameter: 8 mm / 0.31 inch Total Length: 50 mm / 2 inch Color: Gray Material: Metal Weight: 114g Torx screwdriver bits are with a little magnetic, (just use a magnetizer to magnetize it if the magnetic decreases after a long time of use) Easy to install on your screwdriver handle. A great replacement for missing, bent or broken screwdriver bits. Package Contents: 20 Pcs Torx Screwdriver Bits 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 +/- 1-3 cm.