1. Torque Wrench with adjustable, interchangeable ratchet head/open end insert having controlled bi directional tightening with other specification as below. 1. Torque Range: 10-50 NM (7.5-37lbf.ft) 2. Weight: 1.00 kg. or less. 3. Length: 400 mm or less. 4. Material: Steel higher grade 5. Square drive Size: 1/2 inch. 6. Least count: 0.5 NM. 7. Open End Head of Size 9*12: 13mm, 17 mm, 19 mm (open end). 8. 1/2 inch socket of Size: 13mm, 17 mm, 19 mm. Item to be supplied with its purchase and testreport certified by OEM/govt. recognized agencies. The torque wrench is made up of 6140 GRADE CHROME VENEDIUM STEEL OR STAINLESS STEEL. 2. Torque Wrench with adjustable, interchangeable ratchet head/open end insert having controlled bi directional tightening with other specification as below. 1. Torque Range: 10-50 NM (7.5-37lbf.ft) 2. Weight: 1.00 kg. or less. 3. Length: 400 mm or less. 4. Material: Steel higher grade 5. Square drive Size: 1/2 inch. 6. Least count: 0.5 NM. 7. Open End Head of Size 9*12: 13mm, 17 mm, 19 mm (open end). 8. 1/2 inch socket of Size: 13mm, 17 mm, 19 mm. Item to be supplied with its purchase and testreport certified by OEM/govt. recognized agencies. The torque wrench is made up of 6140 GRADE CHROME VENEDIUM STEEL OR STAINLESS STEEL.