EIGHT Tapered Head Hex Key Wrenches with 2 Tightening Pipes, 9-Piece Set, TLS-9NP

For fastening hexagon socket bolts Extra long size Eight's unique tapered head has a ball point that allows for pre-tightening and final tightening. The professional standard "TLS-9N" now comes with an additional tightening pipe. The pipes come in sets of two, one for 5/6mm and one for 8/10mm hex wrenches. Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm (9 pieces) Material: Special alloy steel (SNCM + V Special) Hardness: HRC55~60 degrees Surface treatment: hard chrome plating