The Wera Belt B 1 Zyklop socket set with holding function, 3/8" drive is a set of 10 sockets on a handy belt holder.10-Piece socket setSturdy belt holderColour codedWera's Zyklop Sockets are made from Chrome Vanadium steel, matt chrome-plated for durability. They have a ball-stop groove, and knurled end for easy grip.All of Wera's sockets and bits are colour coded to make it easy to locate the right part.The belt-holder has a smooth twist to unlock mechanism making attaching and detaching the individual sockets easy.Set Contains3/8" Sockets1 x 8 x 29 mm1 x 10 x 29 mm1 x 12 x 29 mm1 x 13 x 29 mm1 x 15 x 29 mm1 x 16 x 29 mm1 x 17 x 29 mm1 x 18 x 29 mm1 x 19 x 29 mm