Product Details
The Proto® 833 Piece Master Technician Maintenance Set includes a comprehensive selection of 1/4", 3/8", 1/2", and 3/4" drive tools designed for fastener sizes ranging from 1/16" to 2-3/8" and 2mm-24mm. This extensive kit contains 375 sockets and accessories, 170 wrenches, 34 striking and struck tools, 27 pliers, 32 screwdrivers, and 139 miscellaneous tool modules, specifically JCS-MAS-1, JCS-MAS-2, JCS-MAS-3, JCS-MAS-4, JCS-MAS-5, and JCS-MOD833. The enhanced version of the J99940 Master Technician Maintenance Set weighs 356 lbs.








