Extension Spring 192pcs Small Dual Hook Tension Spring 0.5mm Wire Dia 4.1mm OD 18mm Free Length Spring Steel 0.5x4.1x18mm

They have good performance and service life both indoors and outdoors.Metal material,silver tone,dual hook.Wire Diameter: 0.5mm/0.02"; Outer Diameter: 4.1mm/0.16"(OD); Free Length: 18mm/0.7"Package Content : 192 x Extension Spring

• Features: the tensile spring has high ductility, good tensile strength, smooth, firm and flexible surface
• Usage: tension spring is suitable for all kinds of repairs and maintenance of automobiles, hand tools, replacement parts, tools and equipment
• Quality : Made of heat-treated professional spring steel coils with aluminum cones to make sure they are extremely heavy duty. The latest electrophoretic coating technology provide excellent corrosion proof performance and superior abrasion proof performance
• Simple Installation : Use quality garage door torsion springs to replace old broken garage door springs. Having the experience of installing torsion springs can save you a lot of money
• Wide Applications: The extension springs are ideal for a variety of uses, including home improvement, automotive repairs, industrial applications and more.Suitable for most repair projects, such as doors, curtains, umbrellas, scissors, pliers, bikes, automobiles, electrical equipment etc