1-1/8in (29mm) wide laminated steel body for superior strength

Easy to set and reset numeric combination

Easy to set and reset - numeric combination

splinter-free top cuts

Extreme durability and impact resistance for up to 50X longer life versus standard drive bits

4 in. Steel Demon Carbide Recip Blades for Thick Metal (3/16 in. 1-1/8in (29mm) wide laminated steel4 in. Steel Demon Carbide Recip Blades for Thick Metal (3 16 in. 9 16 in.) Cutting (3 Pack) High performance carbide for greater durability and cutting performance in metals with a thickness from 3 16" to 9 16" Enhanced carbide tip to blade connection for extreme impact resistance 1 in. oversized blade body for straighter cuts with less vibration