supply of interchangeable, preset torque wrench with pre-set value locking and safety deviceinterchangeable, preset torque wrench with pre-set value locking and safety device,interchangeable, preset torque wrench with pre-set value locking and safety device. having a spigot dia. of 16mm made of single piece of aluminum alloy body. torque range: 80-400 nm (60 - 300 lb f. ft.) weight: 2.00 kgs. or less, length: 633mm supply along with 1/2 inch sq. drive ratchet head note: c alibration certificate from central govt/nabl accredited lab to be submitted make: gedore/groz/stanley/no rbar/armstrong/ridgid or equivalent. (complete specification as per attached annexure) [ warranty perio d: 30 months after the date of delivery ] ]