Compatibility: Compatible with ETA 2892A2 2892 Made of high-quality metal, it's torsion-resistant and wear-resistant, ensuring long-term wear and tear without slipping or deformation. The size is tight, disassembly and assembly are done in one step, the edges are deburred, and the movement splint is protected Function: Replace a damaged stem and keep your mechanical timepiece looking like new with this essential set of metal winding stems and regulating rods. Supplied with 10 units, perfect for batch repairs or individual DIY maintenance of multiple watches.