A pack of three socket storage rails made of metal and ABS. The socket clips have ball bearing locators for easy and secure storage. Drive sizes: 1/4″, 3/8″ and 1/2″ Storage clips: 1/4″ has 13 clips, 3/8″ has 11 clips and 1/2″ has 9 clips, 33 clips in total Rail length: 370mm