Description: Coil Outer Diameter Od: all Coil Inner Diameter Id: all material: Aluminium,Stainless steel,carbon steel ,iron Extended length: 10.0mm 100.0mm 45.0mm 60.0mm Helical Direction: left-hand/right-hand style: Compression ,Torsion ,Extension Spring load capacity: 7 lb, 10 lb, 22 lb, 20 lb, 25 lb, 40 lb, 44 lb, 50 lb, 55 lb, 85 lb, 90 lb, 100 lb usage: Electronic,industry,building,furniture ,car,etc model number: Custom Copper Brass Alloy Compression Springs place of origin: Guangdong, China Outer Diameter: As you need Wire Diameter: 0.03mm-20mm 20mm-30mm 30mm-100mm brand name: WK SPRINGS Size: Customized Size ,meet customer need Color: Black Color,Silver color ,yellow color, Customized Color Wire diameter: 0.1mm-100mm or custom Business Type: Manufacturer ,Factory Style: Conical ,Hook ,Linear,Drum ,Modern ,V Shape etc Model: Can Offer Automatic Assembly of Spring & Screw Feature: 24H Salt Spray ,Strong Anti Fatigue Quality control: Machine & manual screening ,100% Inspection Service: Provide OEM/ODM service Samples: Samples are free if we have it in stock Selling Units: Single item Single package size: 5.00X5.00X5.00 cm Single gross weight: 1.500 kg Location: hong kong