4pc set- Irwin 1890737|1890772|1890795|1891002 3/8"x54" Flex Wire Pulling 4-Bit Set

Selling a complete multi-material 4-piece long-reach Irwin flexible installer drill bit set. This kit forms a complete set for the 3/8" diameter and 54" length category, covering every application material variation cataloged by Irwin for this size. All three bits feature a 3/8" diameter, a 54" flexible spring-steel shank for drilling inside deep wall cavities and integrated wire-pull holes in the flutes for running cables through walls and between floors. It also includes the matching 54" extension shaft. Included in this 4-piece set: • Irwin 1890772 (Wood): Features an aggressive screw point and wood auger tip designed for boring through wood studs and joists. • Irwin 1890795 (Masonry): Features a 135-degree brazed carbide tip engineered to drill straight through concrete, brick, block and mortar. • Irwin 1891002 (Metal|Wood): Features a specialized 118-degree multi-material tip engineered to cut safely through both metal plates and wood surfaces. Note: This specific metal-and-wood bit is discontinued and no longer produced by Irwin, making it highly difficult to find. • Irwin 1890737 (Flexible Extension): A 54" extension shaft with a set-screw chuck, designed to connect to the bits to double your reach when drilling through multi-story framing.