Preces apraksts

• Factory direct gross sales volume is large and extra preferential Specification: Line diameter * Outer diameter * Length unit: mm Example: 5*25*100 signifies that the cord diameter is 5mm, the exterior diameter of the spring is 25mm, and the size is 100mm Measuring device Vernier caliper Specification of parameter drawing Product call ：Spring steel single hook spring Commodity material：Spring metal Surface treatment：Quenching treatment +Surface brush over with oil Packing instruction：Ziplock bag + Bubble bag Specification：Wire Diameter x Outer Diameter x Length The spring is non-standard The elasticity of the spring will depend on the size, so the alternative of length is principal Actual shooting Quenching treatment, solid elasticity, hard to interrupt Easy application of situations Take genuine sku particulars photo

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