TECHNICAL SPECIFICATION: Forged from Chrome Vanadium / Alloy steel, Hardened and tempered, Chrome Plated, Long profile Handle, Conforming to IS 6389-1998 / DIN 3112. DE NEERS Combination Spanner features an open-end and a box-end on either side. Both the ends of a combination spanner are of the same metric size as these spanners are usually used for same-sized nuts and bolts ranging from 4mm to 50mm. Get your supply of all metric sized De Neers Combination spanner from www.samsindusneeds.com at the lowest prices in your hands. HSN CODE: 82041110.