This master tool set is not insulated. In addition, it has a SAE measurement type, plus it is not non-sparking. This master tool set includes kit tool: 26 pockets, 106 pieces, nippers, sheet metal snips, two hand saws, knives, diagonal-cutting pliers, lineman's pliers, long-nose pliers, slip-joint pliers, four accessories, five drive tools, 56 sockets, cutting tools, drivers and bits, sockets and accessories, striking and struck tools, wrenches, adjustable wrench, pipe wrench, torque wrench.