5-Inch Extended Shaft: 1/2" drive, 3/4" (19mm), 5-inch length. Our strut channel impact socket fits 1-5/8", 2-7/16" and 3-1/4" deep strut channels, backed by a . 5-Inch Extended Shaft: 1/2" drive, 3/4" (19mm), 5-inch length. Our strut channel impact socket fits 1-5/8", 2-7/16" and 3-1/4" deep strut channels, backed by a . Upgraded 12-Point Socket: Double-hex design cuts alignment adjustments for quick fastener engagement. Engineered for tight or recessed spaces. Radius corner prevents fastener rounding. Crack-Resistant Cr-V Steel: -piece forged from high-quality Chrome Vanadium alloy steel, resists deformation and cracking, withstands high-torque impact. Tough and durable for repeated use. Thickened Nickel Plated Finish: Features a thickened nickel layer that boosts surface hardness and wear resistance. Effectively resists rust and abrasion, extending socket life. Dual-Side Cut Design: Slides directly into deep strut channels. Solves the problem of standard sockets jamming at the opening. Fits 1/2" drive ratchet, torque and impact wrenches.