• Tempered spring steel wire
• Nickel plated spring steel
• Use for a variety of household applications.
• Size: 20 Inch*0.35 Inch(L*W)

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 machinery

It's made of plated steel wire and it's durable and practical both in daily life and production.

Size: 20 Inch*0.35 Inch(L*W)

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, With the strong elastic of the extension springs, you pull on both handles together and this will release the tention.

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, With the strong elastic of the extension springs, you pull on both handles together and this will release the tention.