Spherical allen wrenches, 130 mm, sizes 1.5 - 10 mm, 9 pcs.

Content of the set - 9 spherical wrenches of sizes: 1.5; 2; 2.5; 3; 4; 5; 6; 8; 10 mm. Wrenches made of chrome vanadium steel. Chromium provides resistance of steel to corrosion, oxidation, abrasion and high strength at high temperature. Vanadium inhibits grain growth during heat treatment, increasing the toughness of hardened steel.