Chestnut broken of the company JBM 72 teeth length 45.7 cm. The 3/8" socket is suitable for both light and heavier applications and can be used for both household and professional tasks. All 3/8" drive accessories such as sockets, extensions, adapters, etc. can be used with this size. It has an adjustable head that allows for angle adjustment and access to hard-to-reach work areas.