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【390-PIECE COMPREHENSIVE SET】 Includes 28 different sizes of compression springs (wire diameter range from 0.3-0.8mm; Outer Diameter range from 2-8mm; Free Length range from 5-30mm), covering most common applications in DIY projects, automotive repairs, industrial machinery, and household fixes. No more searching for individual springs
【PREMIUM CONSTRUCTION】 Made of high-quality 304 stainless steel, these springs resist rust, corrosion, and wear, ensuring long-lasting performance even in humid or high-stress environments. The stainless steel spring may exhibit slight magnetism due to manufacturing processes like cutting and forming. This is a normal characteristic and will not impact its performance
【EASY STORAGE & QUICK ACCESS】 Springs come in a reusable compartmentalized case with labeled sections, keeping your workspace tidy and saving time on projects
【WIDELY USED】 Ideal for garage organizers, robotics, valves, printers, agricultural equipment, and more. A must-have for mechanics, engineers, hobbyists, 3D printer and homeowners
【SATISFACTION GUARANTEE】 We offer a 1-year replacement warranty for manufacturing defects. If any spring is defective or doesn’t meet your expectations, contact us for a hassle-free solution

Warm tips:

1. Due to the light difference, the item's color may be slightly different from the pictures.

2. Please allow 0.5-2 cm differences due to manual measurement.

5.08 inches x 8.86 inches x 0.75 inches. Weight: 6.74 oz