4Pcs Zinc Plated Steel Extension Spring 12 inch - Heavy Duty Screen Door Replacement Springs for Home, Garage & Shed - Durable Rust-Resistant Hardware for DIY Repairs & Household Applications

Product Description

Extension spring is widely used in many aspects,such as in automotive, instrument, electrical equipment, household appliances, furniture, mechanical equipment, daily living equipment, electronic sports equipment, light industry products, sanitation machineryIt's made of plated steel wire and it's durable and practical both in daily life and production.Size:12 inch Package:4x 30cm Extension spring Window It can install the extension spring on your window.And the spring will automatically retract back to its normal position Batch The spring can change the length at will to make the work quick and convenient. The batch which is an electrical appliance used by workers is a great example. Exercise Equipment It can also apply on the exercise equipment in the gym,the Wall pulley is a typical example.With the strong elastic of the extension springs, you pull on both handles together and this will release the tention. 12 Inch Steel Extension Spring 15 Inch Steel Extension Spring 20 Inch Steel Extension Spring 12 Inch Steel Extension Spring, 2 Pack 15 Inch Steel Extension Spring, 2 Pack 20 Inch Steel Extension Spring, 2 Pack Buying Options Buying Options Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 3.6 out of 5 stars 8 3.8 out of 5 stars 7 4.5 out of 5 stars 16 4.3 out of 5 stars 101 4.6 out of 5 stars 9 4.5 out of 5 stars 375 Price — no data — no data $6.99$6.99 $9.99$9.99 $9.99$9.99 $9.99$9.99 Length 12 Inch 15 Inch 20 Inch 12 Inch 15 Inch 20 Inch Package Included 1 Pack 1 Pack 1 Pack 2 Pack 2 Pack 2 Pack