Product material: Made of stainless steel. Not easy to rust. Strong elasticity and flexibility, can provide appropriate tension. Not easy to damage, durable.
Product size: 0.3 x 4 x 20mm. 0.3 x 4 x 35mm. 0.35 x 4 x 50mm.
Extension spring combination kit: includes 3 extension springs of different sizes, a total of 30 pieces.
Easy to use: The extension spring is designed with 2 open hook ends, you can use and fix it easily and conveniently.
Wide range of uses: Suitable for various repairs and maintenance of automobiles, hand tools, replacement parts, tools and equipment.
Packing list: 3 types of stainless steel extension springs (0.3 x 4 x 20mm*10 pieces. 0.3 x 4 x 35mm*10 pieces. 0.35 x 4 x 50mm*10 pieces) a total of 30 pieces.