DEWALT DW2021 #1 Philips 2-Inch Power Bit The product is #1 Phil PWR Bit Easy to use The product is manufactured in China Shock resistant tool steel for maximum durability Hardened core for extra strength and reduced breakage Heat treated to resist breakage and wear Screw type: 2, 3, 4 One year warranty, one year service contract, 30 day no-risk trial