15-Piece Pro Cobalt Drill Bit Set Category_Coolers & Ice Chests Frostproof & long lasting

Frostproof & long lasting

Comes conveniently packaged in a box

These self-drilling screws are used in wood

The bright fluorescent color reduces the chance of accidents

The square underside of the head is self-locking to eliminate spinning and the need for a driving tool

15-Piece Pro Cobalt Drill Bit Set Category_Coolers & Ice Chests Frostproof & long lasting135 degree split point to minimize walk. Cobalt for higher heat & abrasion resistance. Heavy duty web construction for strength & durability. For tough metal drilling, including heavy duty abrasive, alloy metal drilling on hardened steel. Cast iron & stainless steel. Rugged storage case with rubber over mold for added impact resistance. Sliding latch design provides added security.