Proto’s JCS-0613MAS 613 Piece Master Technician Maintenance Set is the perfect set for technicians and hobbyists. This comprehensive set contains tools that are designed to tackle fasteners of various sizes, including metric fasteners. The 613 pieces in this kit cover a wide range of applications, from fastener sizes 1/16″ – 2-3/8″, 2 mm – 24 mm. It has a total of 4 electrical and telecomm tools and 12 measuring tools, including a tape rule, power lock metal case, 12 ft x 1/2 in., as well as a sliding T 1 in DR handle and wire stripper 8-1/4 in. With Proto Tools’ JCS-0613MAS 613 Piece Master Technician Maintenance Set you can always be sure that you have the right tool on hand for your next project.