Reversible Ratchet 1/ 2- inch square drive, length 270 mm application. Spec: ( i ) Material should according t o DIN 3122/ ISO: 3315, ( ii ) Material should be provided with push button release, ( iii ) Return angle 7. 5 degrees wi th recessed lever change, ( iv ) material: Vanadium steel 31 cr V3, chrome plated. HSN code: 8204. Make/ Brand: Snap- on/ Williams/ Bluepoint.