Product Description factory produced precision good quality small torsion spring assortment for various application Compression Spring Wire Diameter: 0.5mm/0.016"; Outer Diameter: 4mm/0.16"(OD); Free Length: 25mm/0.98" Stainless Steel compression spring offers good mechanical properties with greater corrosion and heat resistance than music wire General use spring toys equipment tools etc. Made of Stainless steel spring wire in silver tone, features high elasticity and good precision, installed small size and generate strong force. Product name POGO pin spring Model TL16 size 0.2×1.5×4.0…