BRAND : NORBAR ITEM NO.: 13831 ORIGIN : UK Accuracy : ±3% Operates between : 4.00 - 20.00 N·m (0.05 Increment) - 35.00 - 180.00 lbf·in (0.50 Increment) Square Size : 3/8"" Ratchet Diameter : 30 mm Engagements per Revolution : 72 Scale Increments (N·m) : 0.1 Scale Increments (lbf·in) : 10 Length : 230 mm Tool Weight (kg): 0.44 . Micrometer Scale for simple and error free setting. (On dual scale wrenches, the micrometer increment applies to the N·m scale.) . Quick and Light Adjustment: adjustment over the entire scale can quickly be achieved and with minimal effort in approximately ten complete turns (exact number varies by model). . Comfortable, Durable Handle: the handle is constructed using two materials; a base material for strength overlaid with a soft feel grip for comfort and slip resistance. . The handle material and lens resist chemicals in common usage in the automotive, aviation and industrial environments. . Supplied with a Declaration of Conformance, which meets the requirements of ISO 6789-1:2017