The special socket wrench set for multi-point screws XZN from Proxxon comes in a sturdy, powder-coated steel case. It is suitable for engines (cylinder heads), drive shafts, and rear axles. The set features a 1/2" square drive (12.5 mm) and includes socket inserts ranging from 5 to 14 mm in standard version (55 mm) as well as from 6 to 14 mm in extra-long version (100 mm). Additionally, it contains 12-point inserts from 9 to 21 mm. A table for thread sizes from M 1.6 to M 24 with tightening torques is permanently fixed in the lid. The hardness and maximum torque values exceed the requirements of DIN/ISO. The dimensional accuracy is within the approved tolerances. The set includes torsion-resistant, indestructible molded inserts made of injected polypropylene, which are oil- and acid-resistant as well as easy to clean. All wrench sizes are permanently marked for easy readability. The set is also excellent for placement in the drawers of standard workshop carts. XZN (18-piece).