Package contains: 20pcs SP9600 extension springs in 1 plastic box
Portable packaging: This extension springs are packaged in a little box, easy to carry
Wide application: The stainless steel mechanical extension spring can be used in doors, curtain, automobiles, bicycles, mechanical devices, umbrella, kettle, razor, antique tape recorder, repair toy, pliers, piano, electrical, etc.
User-friendly: The extension spring incorporates 2 hook ends that can be effortlessly used and securely attached for added convenience.
Product specification: The small extension spring with hook ends size is 1/4 inch x 1-1/2 inch, wire diameter is 0.035inch and made of quality stainless steel material which with smooth surface, flexibility and durability