Ultra hardened edge increases the hardness of the cutting edge to a Rockwell Hardness of HRC 62 versus HRC 55 for standard blades

Hardened disc body absorbs vibration and increases impact resistance to deliver superior quality cuts in hardened materials

Bi-directional teeth for ultra clean top and bottom finishes

Easy to set and reset - numeric combination

shackle guard removable to accommodate openings 9/32in (7mm) in diameter

54 pc Screwdriving Set (54-Piece) Ultra hardened edge increases the54 pc Screwdriving Set (54 Piece) 54 piece set for up to 50% savings Extreme durability and impact resistance for up to 50X longer life versus standard drive bits Optimized bit tip design reduces wear, minimizes breakage and prevents slippage