5/16" Drill chuck on size 1 quick change adaptor 9680515

The torque clutch allows the tap to stop turning when it becomes dull or encounters any obstruction that might cause the tap to break. Adjustable for all types of materials. The quick change tap holder allows you to change from one size tap to another in 3 to 5 seconds. No gears, head height or stops to change. 5/16" Drill chuck Size 1 quick change adaptor Country of Origin TW Model Number 80515 Warranty Limited Lifetime UPC 726896805153 Unit of Measure Each Product Height (in) 4 Product Length (in) 5 Product Width (in) 4 Product Weight (lbs) 1.5