Irwin 12 In. x 1/4 In. Drill Bit Extension Lantern Globe Wood Cutting Blades: Precision Ground

Wood Cutting Blades: Precision Ground Teeth For Fast

Dielectric design with excellent orbital seal

efficient removal of drilling dust and debris to increase speed and prevent clogging

For Grinding & Polishing Flat Or Contoured Surfaces On Metal

and are oil-proof so they have no time use limitation

Irwin 12 In. x 1/4 In. Drill Bit Extension Lantern Globe Wood Cutting Blades: Precision GroundLock 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.