BikeMaster is a brand that focuses on quality, performance, and value priced products for motorcycles and ATV's. Allows sockets to be driven at up to 15° off vertical. Hardened chrome and polished steel. Sold as sets. 1/4" Contents: 50, 100, 150 and 250 mm long bar set. 3/8" Contents: 45, 75, 150 and 250 mm long bar set. Manufacturer's lifetime warranty.