CDAT1124 Features: * Hardened tempered alloy steel material * Easily removes 0.09" to 0.875" broken bolts and screws * Used when a screw or bolt has broken off while still in the fastening hole * 7" H x 5" W x 0.75" D, 0.52 lb Includes: * 6 Piece set includes No 1, No 2, No 3, No 4, No 5 and No 6 screw extractors