The twelve-square socket set from BGS is a versatile tool set that has been specially developed for precise applications in mechanics and trades. With a drive of square drive 6.3 mm (1/4"), this set offers a wide selection of sockets in inch sizes that are ideal for various screwdriving and assembly tasks. The sockets are made of high-quality chrome vanadium steel, which ensures high durability and resistance. The matt surface of the inserts not only provides an attractive appearance, but also improves grip. The knurling on the inserts enables easy handling, even in difficult conditions. This set is an indispensable tool for any workshop or for professional use. Made from high quality chrome vanadium steel for durability. Matt finish for improved grip. Wide range of inch sizes for versatile applications. Knurling for easy handling and better grip. 6.3 mm (1/4") hexagon sockets: 5/32" - 3/16" - 7/32" - 1/4" - 9/32" - 5/16" - 11/32" - 3/8" - 7/16" - 15/32" - 1/2" - 9/16".