high quality Zigzag spring

We are professionally in making sofa zigzag spring, sofa spring clip,pocket spring, sofa connector, T-Nut, sofa hinge, sofa tracking strip, nail strip, draw spring, paper cover wire,and so on. Zigzag Spring by piece 1).Made of high carbon steel wire. 2).Different sizes are available. 3). Process: All springs are with heat treatment and anti-rust treatment. 4). Application: used for sofa or chair. 5). Quantity: up to customers request. 6). Popular used in the sofa furniture 7).Thickness :3.0-4.0mm 8).Durable Data informations H(mm)W(mm)Arc(mm)D(MM)L4616-258-153.0 3.4 3.5 3.6 3.8 4.0up to client 4716-258-153.0 3.4 3.5 3.6 3.8 4.0up to client4816-258-153.0 3.4 3.5 3.6 3.8 4.0up to client4916-258-153.0 3.4 3.5 3.6 3.8 4.0up to client5016-258-153.0 3.4 3.5 3.6 3.8 4.0up to client55258-153.6 3.8 4.0up to client