20pcs Stainless steel extension tension spring springs
NO 1 Size:0.9*8*58mm
Wire diameter(d)=0.9mm
outer diameter(D)=8mm
length(L)=58mm

20pcs Stainless steel extension tension spring springs
NO 2 Size:1.0*9*60mm
Wire diameter(d)=1.0mm
outer diameter(D)=9mm
length(L)=60mm 








