3/4" (19mm) Strut Channel Socket, 1/2" Drive Impact Socket for 1-5/8", 2-7/16" & 3-1/4" Deep Unistrut Channels, Heavy-Duty Cr-Mo Steel, 4-1/4" Length, Black Phosphate Finish

The ColumPRO 3/4" (19mm) Strut Channel Socket is built for professionals who demand power, precision, and durability. Designed to fit 1-5/8", 2-7/16", and 3-1/4" Unistrut and metal framing channels, it’s the go-to solution for electricians, HVAC technicians, plumbers, and contractors working with heavy-duty strut systems. Constructed from premium Cr-Mo (Chrome Molybdenum) steel, this socket offers superior impact strength and torque resistance compared to standard Cr-V steel. The black phosphate finish enhances corrosion resistance and maintains smooth operation even after extended use. With a 4-1/4" overall length, it provides the extra reach needed for deep channels while ensuring precise fitment and easy access. Compatible with 1/2" drive impact wrenches and ratchets, it delivers consistent, professional-grade performance in every fastening task. Whether you’re assembling conduit systems, mounting support frames, or tightening Unistrut connections, the ColumPRO Cr-Mo Impact Socket is a reliable, long-lasting addition to your tool kit—engineered to handle the toughest jobs with confidence.

• 【UNIVERSAL STRUT CHANNEL FIT】 Engineered to fit 1-5/8", 2-7/16", and 3-1/4" Unistrut and strut channel systems, this 3/4" (19mm) socket ensures perfect compatibility across standard framing channels. Ideal for electricians, HVAC installers, plumbers, and construction professionals.
• 【PREMIUM CR-MO STEEL CONSTRUCTION】 Forged from high-strength Chrome Molybdenum (Cr-Mo) steel, this impact-grade socket delivers exceptional toughness and torque resistance. It won’t crack or deform even under heavy use with impact wrenches.
• 【CORROSION-RESISTANT COATING】 The black phosphate finish provides enhanced rust protection and reduces wear, ensuring smooth performance and long-term reliability in harsh job site environments.
• 【OPTIMAL 4-1/4" LENGTH DESIGN】 Features a 4-1/4" overall length for superior reach and leverage in deep 2-7/16" and 3-1/4" channels—offering better access and control in tight or recessed spaces.
• 【1/2" DRIVE FOR MAXIMUM VERSATILITY】 Compatible with any 1/2" drive impact wrench or ratchet, allowing for secure engagement and effortless operation across various industrial, commercial, and residential installations.