คุณลักษณะ

• Compression Spring Only Kit/Tensile Spring Only Kit
• Compression Spring Only. The compression spring kit contains springs of different sizes. Kit # 1: Contains 320 pieces and 8 springs of 40 different sizes. Kit # 2: Contains 140 pieces and 5 springs of 28 different sizes. Kit # 3: Contains 149 pieces and 5 springs of 27 different sizes. Tensile springs only. The tensile spring kit contains springs of different sizes. Kit # 1: Contains 200 pieces and 5 springs each of 40 different sizes. Kit number 2: 142 pieces, 26 sizes of springs, 5 pieces each, 4 sizes of springs, 3 pieces each. Kit # 3: Contains 135 pieces, 5 springs of 18 different sizes, and 3 springs of 15 different sizes.
• Galvanized piano wire in a plastic storage box with spring size and box layout