Hex Ball End L-Key 4.0 mm Black Oxidised - Wiha 03871

The Wiha 369B L-key in 4.0 mm is designed for internal hex screws in tight or angled positions. The ball end provides an approach angle of up to 25° without sacrificing torque transfer or alignment.

Benefits

• Ball end for angled access up to 25° - reaches screws in difficult-to-access spots
• Through-hardened chrome-vanadium steel - long service life under varying torque loads
• Black-oxidised finish - corrosion protection and low glare in workshop use
• Compact dimensions 142 x 29 x 5 mm - fits in tight tool compartments

Technical data

• Internal hexagon: 4 mm
• Overall length: 142 mm
• Short arm length: 29 mm
• Dimensions: 142 x 29 x 5 mm (L x W x D)
• Material: chrome-vanadium steel, black oxidised

Applications

For internal hex screws in hard-to-reach positions in mechanical engineering, maintenance, and assembly work. The ball end enables angled approach while the long arm transmits torque in confined access situations.

Made in Poland. Based on ISO 2936L.