Features: Enhances precisions with our String Serving Jig Tool, from durability Aluminum and for adjustable tension control to suit various bowstring serving needs. Featuring a metal roller designing for smoother thread release and reduced frictions, this tool includes a specially designing bowstring slot for fixed positioning and ease of use. For archers, enthusiasts, and beginner alike, this versatiled tool meets the demands of all skill, ensuring consistent performances. Perfectly for outdoor training, competition venues, or backyard practice, providing comprehensive support for any setting. Compatibles most String serving materials, this lightweighted tool is essential addition to your equipment collection. Specifications: Item：String Serving Jig Tool Component：ABS+Aluminum Size:about 8.5x7x2.50cm/3.35x2.76x0.98in Net Weight：about 117g Package Includes: 1Pc String Serving Jig Tool note: Due to problems of lighting effects, there might be tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.