Made of steel material, this clock winding key is exquisitely crafted and durable. Scratch-resistant and wear-resistant. Easy to insert and remoe, suitable for your clock use. Reasonable structure and excellent performance are a good choice for clock repair tools. Can sere you much better.Features- Color: siler.- Material: steel.- Size:5.50X5.10X0.70cm/2.16X2.00X0.28inch.- Note: Suitable for 4.4mmcaliber clocks.- Made of steel material, the exquisite craftsmanship makes this winding key not easy to bend or break.- Exquisite workmanship, scratch-resistant and wear-resistant. Easy to insert and remoe, suitable for your clock use.- Light weight, suitable size, reasonable structure, ery suitable for personal or professional use.- Easy to operate, comfortable to hold, saing time and energy and bring you conenience.- Suitable length, no burrs, you can use it with confidence, this is a good choice for clock repair tools.Packing list: 2 x Clock Winding Keys