Ads by Google
Made of carton steel,used of mattresses to keep elastic and durable.
Material: 65mN,70#,72B...
Range on steel wire: 2.2-2.4mm
Turns: 4-6turns
Height: 4 turns 85mm-105mm
5turns 135mm-150mm
6turns 145mm-170mm
Packing method:Carton/Pallets
springs for mattress