These IRWIN wood drill bits have an adjustable cutting blade that can bore a variety of hole sizes | Each drill bit can cut 19 different-sized holes in 1/8-inch increments | Lockhead screw securely holds blade at a desired boring diameter | 5/8" to 1-3/4" diameter | 5-1/2" overall length with a 9/32" shank | These IRWIN wood drill bits have an adjustable cutting blade that can bore a variety of hole sizes | Each drill bit can cut 19 different-sized holes in 1/8-inch increments | Lockhead screw securely holds blade at a desired boring diameter | 5/8" to 1-3/4" diameter | 5-1/2" overall length with a 9/32" shank
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Item# : SPM18251828504
Model # : RNAB004GZHICS