High quality spanner set in metric sizes 33mm to 50mm. Ideal for heavy industry, popular for tractors, diggers, machinery etc... Raised reinforcing panel for etc. strength on the spanners. Open End Spanner on one end and a 15 degree Ring Spanner on the other. Extra leverage you get from these combination spanners gives you maximum power when loosening corroded or stubborn nuts and bolts. Includes; 33mm (Total Length 445mm) 36mm (Total Length 470mm) 38mm (Total Length 495mm) 41mm (Total Length 550mm) 46mm (Total Length 570mm) 50mm (Total Length 595mm)