Features: Available in 5 standard options: shaft length 14.5mm & thread height 6.7mm, shaft length 17mm & thread height 9.5mm, shaft length 20mm & thread height 11.7mm, shaft length 23mm & thread height 14.6mm, shaft length 31mm & thread height 24.6mm. Suitable for repairing or making clocks, ideal for use with large and thick clock frames. When installing, ensure the hour and minute hands are parallel; avoid applying excessive pressure to prevent bending. Compatible with cross-stitch, three-dimensional embroidery, craft clocks, and frameless wall clocks. Made of quality quartz and plastic materials, durable, sturdy, and designed for long-term service. Specifications: Material: Quartz + Plastic Style 1: Total shaft length 14.5mm, thread height 6.7mm, suitable for clock panels 1-4mm thick Style 2: Total shaft length 17mm, thread height 9.5mm, suitable for clock panels 3-6mm thick Style 3: Total shaft length 20mm, thread height 11.7mm, suitable for clock panels 5-8mm thick Style 4: Total shaft length 23mm, thread height 14.6mm, suitable for clock panels 9-13mm thick Style 5: Total shaft length 31mm, thread height 24.6mm, suitable for clock panels 16-21mm thick Power supply: 1 x AA battery (not included) Note: Please allow 1-3cm error due to manual measurement. The image may not reflect the actual color due to monitor differences. Package includes: 1 Set Wall Clock Hands