BikeMaster is a brand that focuses on quality, performance, and value priced products for motorcycles and ATV's. Made from precision drawn chrome vanadium tool steel. Extremely accurate drawing makes for a perfect fit. Extra long with ball end allows angled reach and access to obscured bolts. Bead-blasted surface for a better grip. Corrosion-resistant coating. Includes a durable holder. Metric comes with sizes 1.5, 2, 2.5, 3, 4, 5, 6, 8 and 10 mm. Standard comes with size 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 5/16, 1/4 and 3/8". Manufacturer's lifetime warranty.