1.Durable hardened steel construction 2.Quick & easy to use 3.Removes any stripped screw in 10 seconds or less 4.Even works on jagged , uneven, or rough breaks 5.Compatible with quick connect chuck systems 6. Size:1#,2#,3#,4# 7. Length: Approx 5.0cm/1.97" 8. Quantity: 4pcs/set
