Specification Brand : uxcell BulletPoint1 : [Size] - 3/8-inch square drive socket, T40 torx bit, 1.89-inch (48mm) total length. BulletPoint2 : [Durable] - Quenched and heat treated S2 alloy steel bits, high hardness, reduce wear-outs. High strength chrome vanadium steel sockets, increase turning power. BulletPoint3 : [Torque Strength] - Complete corrosion resistance and rust resistance, mirror-polished and nickel-plated sockets and phosphate bits finish. BulletPoint4 : [Precision Bits] - Automatically process bit tips to ensure accurate size, chamfered ends insert smoothly into fastener head, reducing wear. BulletPoint5 : [Great Tools] - Use with ratchet to improve speed in tightening hex drive fasteners. And the product has no insulation properties and is not suitable for electrical environments. ItemName : uxcell 4pcs 3/8" Drive x T40 Torx Bit Socket, S2 Steel Bits CR-V Sockets 48mm Length Use with Ratchet Wrench, Slide Bar, Extension Rod ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemTypeKeyword : phillips-head-drive-sockets Manufacturer : uxcell NumberOfBoxes : 1 PartNumber : a24073000ux0058 ProductDescription : Descriptions: * Made of S2 alloy steel, withstand high torque and do not twist, protecting both the bit and the fastener. * Notched drive ends fit any 3/8-Inch drive ratchet or extension, preventing them from falling off. * Widely used in DIY hand-making, household maintenance, and most general repairs.