Wiha Workshop Allen wrench Spanner size (metric): 4 mm Blade length: 150 mm

Ideal for direct and straight screw , during requirement of highest torque . Magic Ring holds screws according to DIN 912, owing to spring steel ring fixed in any position. Blade made of chromium-vanadium steel, hardened throughout, nickel-plated.

Price: £ 5.99 from Conrad Electronic