Expansion Spring Wire Diameter 1.2mm/1.5mm Tension Extension Expanding Springs Product Information: Model: Expansion Spring Extension Expanding Springs Material: Stainless Steel Wire diameter: 1.2mm / 1.5mm Outer diameter : 8mm - 18mm Length : 30mm - 335mm Note: due to the differences in shooting scenes and technology, there will be a chromatic aberration between the photos and actual colors. Specifications: wire diameter d * outer diameter D * total length L (mm) For example: 1.2*16*100mm means: wire diameter 1.2mm (steel wire thickness) * diameter 16mm (spring outer diameter) * length 100mm (total length)
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