ITEM NAME:1/2-Inch Drive 10mm Triple Square Spline Bit Extra Long Socket, S2 Steel G2I7 1/2-Inch Drive 10mm Triple Square Spline Bit Extra Long Socket, S2 Steel G2I7 1/2-inch drive, 10mm triple square spline size Bits made of premium S2 alloy steel for superior hardness and great rust resistant Chrome vanadium steel socket for high strength and superior torque Notched drive ends fit any 1/2-inch drive ratchet or extension, preventing them from falling off Wide application in DIY hand-making, automotive repairs, household maintenance, and most general repairs Product Name: Triple Square Spline Bit Socket Material: Chrome Vanadium Steel, S2 Steel Color: photo color Weight: 105g Driver Size: 1/2 Inch Bit Size: Spline 10mm Bit Length: 64mm / 2.52 Inch Total Length: 100mm / 4 Inch Package Content: 1 x Triple Square Spline Bit Socket 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..Bit Size: Spline 10mm. Bits made of premium S2 alloy steel for superior hardness and great rust resistant. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.