Presentation : BRILLIANT TOOLS socket - hexagonal - 3/8" - 19mm - BT021813, ideal for adapting a hexagonal screwdriver. It allows you to carry out all screwing/unscrewing work by adapting the size and shape of the bit. Advantages : Allows you to carry out work requiring screws with hexagonal tips. Allows you to adapt your screwdrivers Easy to use Features : Reception: 3/8". Diameter (mm): 19 Length (mm): 28 Packaging : 1x socket