... 1.plastic spring clip used for sofa parts 2.corlor:white and black 3.distance:10cm and ... spring,no sag spring,belong to sofa parts plastic spring clips(sofa parts), zigzag spring,no sag ... ,zig zag spring,sofa spring,seat spring,back spring belong to sofa part or sofa fittingspringFeactures:(1)Nosag spring ... , also called Zigzag spring, sinuous spring, sofa spring: 1).Wire diameter: 3.0mm-4.3mm ...