These Milwaukee Hand Tools MAX BITE™ Ratcheting Combination Spanners have 144 ratcheting teeth with 2.5° of arc swing, allowing users to work quickly and efficiently in tight spaces. Durable, double-stacked pawls for longer ratchet life. Made from chrome alloy steel with a chrome plated finish. The MAX BITE™ open end grip improves the ratchet wrench's grip on nuts and bolts, offering 25% more torque than smooth faced wrenches. Rounded i-beam handle for comfortable handling grip. Ink-filled size labels provide easy size identification.