Irwin 6 In. x 1/4 In. Drill Bit Extension Brand_Norpro Male adapters or box adapters

Male adapters or box adapters may be used to secure conduit to the enclosure

Lasts up to 15X longer compared to a standard carbide fiber cement blade

Replaceable front and rear o-ring seals for leak proof shut-off

Replaces B&S 299477

Irwin 6 In. x 1/4 In. Drill Bit Extension Brand_Norpro Male adapters or box adaptersLock n Load quick change extension. Recommended for all 1 4' grooved hex shank drill and spade bits requiring extra reach. 1 4' shank. Slide back sleeve to release. Internal hex drive eliminates slippage. Simply load product in chuck until product locks. Follows 11 16' and larger bits through hole. Carbon steel construction sleeve and body fur durability and life.