Product Details
The Proto® 334-Piece Master Advanced Maintenance Set includes 1/4", 3/8", and 1/2" drive tools designed for fastener sizes ranging from 1/16" to 1-1/2" and 9mm to 19mm. This comprehensive kit contains 193 sockets and accessories, 44 wrenches, 30 striking and struck tools, 15 pliers, 30 screwdrivers, and 22 miscellaneous tools. It is an enhanced version of the J99670 Advanced Maintenance Set and has a total weight of 115 lbs.








