Irwin #4 - 1/8 In. Wood Countersink Unions Top cap is impact resistant

Top cap is impact resistant and easy to remove for troubleshooting

Contains copper sulfate

Ground wire runs full length of assembly

Variable speed trigger allows user to instantly control speed at the trigger

Irwin #4 - 1/8 In. Wood Countersink Unions Top cap is impact resistantReplacement tapered drill bits with widened flutes for drilling fast, clean pilot holes. Adjustable 4 cutter counterbore cuts and clears chips quicker for fast, smooth countersink or counterbore drilling. Attaches and adjusts with 2 hex screws. Counterbore attaches to flat on shank for a more secure fit. Adjustable stop collar attaches to counterbore for controlling countersink depth. 1 4' hex quick change shank reduces slipping in standard chucks and