1. The product is mainly made of plastic and steel, with good hardness and toughness, which can effectively resist the wear and tear during daily use. In addition, it also has good anti-rust and resistance, which is not easy to rust. 2. The wire loop kit contains 1 set wire winding towers in different shapes(square, triangle, circle), 1 set wire looping mandrel, 1 pc jewelry making pliers and 1 pc 6-In-1 bail making plier, totally 8 pcs, which is ideal for wire forming and loops, meeting your various jewelry DIY needs. 3. The bail making plier has 6 different sizes(2.50mm/0.10in, 3.20mm/0.12in, 5mm/0.19in, 6mm/0.23in, 7mm/0.27in, 9mm/0.35in) help you to make six sizes of bails for bending thick gauge wire 4. This wire wrapping mandrel kit come with 3 different shapes that are round, square and triangle with handle to help it firmly hold, which is very practical and convenient 5. This jewelry making tool is ideal for wire work, wire forming, creating jump rings, wire loops, earring making, head pins, bails making, forming shapes and other jewelry making projects or repair jewelry Color:As shown Material:Metal+Plastic Package Contents: 8 * Wire Winding Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.