1-2 pieces of a 1000 mm carbon steel extension spring. This product is a long tension (extension) spring made from Druckstahl with a wire diameter of 1.8 mm and an outer diameter of 10-20 mm. Key specifications - Material: carbon steel (Druckstahl) - Wire diameter: 1.8 mm - Outer diameter: 10-20 mm - Length: 1000 mm - Quantity: 1-2 pieces per order Why you need this - Provides reliable tension and return action in mechanical assemblies - Suitable for general purpose use in workshops, DIY projects, and small-scale manufacturing - Long, slim profile enables use in tight spaces where shorter springs cannot fit What makes it suitable - Durable carbon steel construction for everyday tension applications - Precisely defined wire diameter and overall length for predictable performance - Large range of compatible outer diameters allows use in varied housings and mounts Applications and use scenarios - Replacing worn extension springs in machinery or equipment that requires about 1 meter of extension - Return or pull spring in levers, handles, or tool fixtures to restore position after actuation - Tensioning or counterbalancing elements in DIY projects, small assemblies, or prototype builds where a 1 m long spring is needed Notes - Please verify fit by checking the length, wire diameter, and outer diameter against your equipment requirements - Suitable for general use with carbon steel springs; not specified for corrosive environments or high-temperature exposure