Description: 【Coil Jig】Wire wrapping mandels, each mandel tool has 5 stepped/5 sizes, wire wrapping, jump ring or loops making beading tools. Compact size (101.6mm) ensures easy handling and storage, making it a handy tool for workshops or travel creativity 【Material】Wire Looping Rods made of steel, sturdy and an be used for a long time. The jewelry making tool is solid strong enough, suitable for wire working, wire wrapping and wire jewelry. 【Easy to use】Practical jewelry tool, make round loops in 5 different sizes(1.5mm, 2mm, 2.5mm, 3mm, 3.5mm), create uniform and consistent loops in your wire work in shapes 【Reusable】Winding mandrels suitable for beginners and professionals DIY projects, and can provide a consistent size ring again and again. The core rod is round and smooth, so it will not scratch the wire. 【Application】These wire working mandrels can be used for a various wire work, from creating jump rings, small coils building, wire loops and in various other jewelry making projects, creative metal art craft work and more—versatile for hobbyists and professionals alike Specification: Material: Steel   Size Chart: 10.16cm/4.00inch Package Includes: 4 Wire Looping Mandrel Rods