Milwaukee INSIDER Box Ratchet Socket 6 Point 21mm 49-16-1621

The INSIDER Box Ratchet 6 Point Sockets are designed to uniquely fit into the M12 FUEL INSIDER Box Ratchet to deliver Unrivaled Access. The Low Profile design allows access in the tightest spaces and delivers pass through capability up to 15mm and 9/16”. Laser etched markings on both sides of the socket allows for greater visibility to quickly change between drive sizes. A dual retention groove system allows the INSIDER Box Ratchet 6 Point Sockets to be inserted into both sides of the tool for greater accessibility. These sockets have optimized geometry to reduce bolt rounding and stripping. We back all our sockets with a lifetime guarantee.