Made of iron material, this clock winding key is exquisitely crafted and durable. Scratch-resistant and wear-resistant. Easy to insert and remove, suitable for your clock use. Reasonable structure and excellent performance are a for clock tools. Can serve you . Features -Color: Black -Material: Iron -Size: About 5.20X5.00X0.80cm/2.04X1.97X0.31in -Using good iron material, this clock winding key has excellent durability and practicality. -Portable size, suitable for family use. Nice repair accessories for antique clocks in your home. -Light weight, suitable size, reasonable structure, personal or professional use. -Easy to operate, comfortable to hold, saving time and energy and bring you convenience. -Suitable length, no burrs, you can use it with confidence, this is a for clock tools. Package list: 4 x clockwork keys