-> GRIPHOLD tool kits are designed for maintenance and servicing of heavy earth moving machinery, fertilizer plants, thermal/gas/hydel power plants, cement plants, chemical/petrochemical plants, gas & oil exploration and mining equipment and various other high torque applications. -> GRIPHOLD tool sets also consist of sockets in 1/2" and 3/4" square drive in SAE as well as metric sizes, driving accessories in 1/2" and 3/4" square and click type adjustable torque wrenches up to a capacity of 250 ft.lbs. -> GRIPHOLD tool sets are supplied in a suitable heavy-duty tool box with padlock. The tool box is made from compressed steel sheet of 18/20 gauge, painted in red auto enamelled and oven baked for high durability.