3/4in Dr. Impact Extension 100mmL w/steel ball

Genius Tools Impact Extension Bar 100mm Length 3/4 Inch Drive with Steel Ball Retention - 640100B Impact Extension Bar This 3/4in drive impact extension bar adds reach while maintaining secure socket engagement through steel ball retention. With a 100mm (3.94in) overall length, it helps access fasteners in tight or recessed locations where a standard socket setup falls short. Built from Chromium Molybdenum Alloy Steel, it is engineered for high strength and durability with anti-corrosive properties. Heat treatment via oil quenching and a matte black oxide coating support a tough exterior and strong inner core, aligned with ANSI expectations for professional-duty tools. Key Benefits 3/4in drive impact extension improves access without sacrificing tool control. 100mm (3.94in) length suits tight spaces and recessed fastener locations. Chromium Molybdenum Alloy Steel construction delivers high strength and durability. Anti-corrosive properties help withstand demanding shop and jobsite conditions. Heat treated by oil quenching for a tough exterior and strong core. Matte black oxide coating supports long-term wear resistance and professional use. Permanently stamped size marking enables fast identification and better organization. SKU: 640100B. The combination of steel ball retention, durable alloy steel, and protective finish supports consistent performance across repeated impact applications.