... .ISO90001&ISO14001quality control 3. Good hardness and flexibility. constant force motor springFeatures: 1) Wire Diameter: 0.1~ 2mm 2) Type: ... after receive your payment.11) Application: Widely used in automobiles, motorcycles, electrical appliances, telecommunication, craft, toys ,locks,stationery,furiture ,washing ... B. outer packing: Several polybag in one carton constant force motor spring