supply of three types of torque wrench rachet. , 1/2 inch square drive window scale manual torque wrench rachet type, range : 14-68 nm a s per technical specification no. plw/sse/bs/ns/25-26/manual torque wrenches. note: all torque wrench ( 1/2 inch & 1 inch square drive) to be supplied with calibration certificate from nabl/govt approved lab. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , 1/2 inch square drive window scale manual torque wrench rachet type, range : 70-330 nm as per technical specification no. plw/sse/bs/ns/25-26/manual torque wrenches. note:-all torque wrench (1/2 inch & 1 inch square drive) to be supplied with calibration certificate from nabl/govt approved lab. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , 1 inch square drive manual torque wrench rachet type, range : 1015-1900 nm as per techn ical specification no. plw/sse/bs/ns/25-26/manual torque wrenches. note:-all torque wrench (1/2 inch & 1 inch square drive) to be supplied with calibration certificate from nabl/govt approved lab. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]