Made of top quality materials. Made of special tool steel, with excellent resistance to degradation as a result of intensive and continuous use. Consists of: heads 1/4 "with diameter: 4-4.5-5-6-7-8-9-10-11-12-13-14 mm, extension 1/4", 75 mm, top, Pz 1- 2-3, Ph. 1-2-3, hex. 3 -4-5-6-7 mm, Torx 10-15-20-25-27-30-40, std 4-5-6-7 mm. Rubber gloves, absorb stress even in the most demanding jobs. Ideal for professionals in the field of mechanical repair and assembly.