Item description Serrated Surface: TIN coated Made in Germany Drive: 1/4 inch (6.3 mm) square hollow Output: Internal TORX® profile Wrench size: · T27 Dimensions / length: 28 mm Length l1: 4.5 mm Net weight (kg): 0.01 kg For manual operation Why a TiN coating (titanium nitride)? Special process for very hard TiN coating achieves extremely high adhesion and wear resistance of the layer Optimally suited for constant loads, e.g., series screw connections in industry and trade Stronger wear protection guarantees an improvement in service life Perfect fit accuracy due to optimal layer thickness Optimized corrosion protection Show more