Power bits, Made of shock resistant tool steel for maximum durability, Hardened core for extra strength and reduced breakage, Heat treated to resist breakage and wear, Specially designed to reduce stripping, For metal, wood, deck, and drywall applications, #1 Phillips, 1"" length, 2 per card, Length: 5, 75, Width: 1, 87, Height: 1, 38 SKU: JNSN61533