Lyuduo-引張りばね 304 Stainless Steel Small Tension Spring Extension Micro With 2 Hooks Dual Hook Wire Dia 0.3mm OD 3mm Length 10-50mm,10pcs, 耐圧縮性と耐久性(40mm)
Lyuduo-引張りばね Stainless Steel Long Flexible Steel Coil Extension Spring 1mm Wire Diameter*(5-15)mm Out Diameter*1000mm Length, 1PCS, 耐圧縮性と耐久性(1x8x1000mm)