These are the products that fulfill our promise of excellence. There is an ISC spring for every home, every business, and every service requirement. Each ISC spring delivers the best performance in its class.
Extension Springs
![]() |
Extension Springs are Hard Drawn, Class II Wire, Black Dip Painted, Double Looped at 90 Degrees for Added Strength, Quality Tested, Color Coded Per DASMA standards, and California Certified. Custom match Extension Springs and Several Loop Styles are Available. |
| Home > Extension Springs | |
| Extension Spring Clips | |
| Part Number | Source | Description |
| EXTE--700--50 | Industrial Spring | 50# EXTENSION SPRING RED 7' |
| EXTE--700--60 | Industrial Spring | 60# EXTENSION SPRING BROWN 7' |
| EXTE--700--70 | Industrial Spring | 70# EXTENSION SPRING ORANGE 7' |
| EXTE--700--80 | Industrial Spring | 80# EXTENSION SPRING GOLD 7' |
| EXTE--700--90 | Industrial Spring | 90# EXTENSION SPRING LIGHT BLUE 7' |
| EXTE--700--100 | Industrial Spring | 100# EXTENSION SPRING TAN 7' |
| EXTE--700--110 | Industrial Spring | 110# EXTENSION SPRING WHITE 7' |
| EXTE--700--120 | Industrial Spring | 120# EXTENSION SPRING GREEN 7' |
| EXTE--700--130 | Industrial Spring | 130# EXTENSION SPRING YELLOW 7' |
| EXTE--700--140 | Industrial Spring | 140# EXTENSION SPRING BLUE 7' |
| EXTE--700--150 | Industrial Spring | 150# EXTENSION SPRING RED 7' |
| EXTE--700--160 | Industrial Spring | 160# EXTENSION SPRING BROWN 7' |
| EXTE--700--170 | Industrial Spring | 170# EXTENSION SPRING ORANGE 7' |
| EXTE--700--180 | Industrial Spring | 180# EXTENSION SPRING GOLD 7' |
| EXTE--700--190 | Industrial Spring | 190# EXTENSION SPRING LIGHT BLUE 7' |
| EXTE--700--200 | Industrial Spring | 200# EXTENSION SPRING TAN 7' |
| EXTE--700--210 | Industrial Spring | 210# EXTENSION SPRING WHITE 7' |
| EXTE--700--220 | Industrial Spring | 220# EXTENSION SPRING GREEN 7' |
| EXTE--800--70 | Industrial Spring | 70# EXTENSION SPRING ORANGE 8' |
| EXTE--800--80 | Industrial Spring | 80# EXTENSION SPRING GOLD 8' |
| EXTE--800--90 | Industrial Spring | 90# EXTENSION SPRING LIGHT BLUE 8' |
| EXTE--800--100 | Industrial Spring | 100# EXTENSION SPRING TAN 8' |
| EXTE--800--110 | Industrial Spring | 110# EXTENSION SPRING WHITE 8' |
| EXTE--800--120 | Industrial Spring | 120# EXTENSION SPRING GREEN 8' |
| EXTE--800--130 | Industrial Spring | 130# EXTENSION SPRING YELLOW 8' |
| EXTE--800--140 | Industrial Spring | 140# EXTENSION SPRING BLUE 8' |
| EXTE--800--150 | Industrial Spring | 150# EXTENSION SPRING RED 8' |
| EXTE--800--160 | Industrial Spring | 160# EXTENSION SPRING BROWN 8' |
| EXTE--800--170 | Industrial Spring | 170# EXTENSION SPRING ORANGE 8' |
| EXTE--800--180 | Industrial Spring | 180# EXTENSION SPRING GOLD 8' |
| EXTE--800--190 | Industrial Spring | 190# EXTENSION SPRING LIGHT BLUE 8' |
| EXTE--800--200 | Industrial Spring | 200# EXTENSION SPRING TAN 8' |
| EXTE--800--210 | Industrial Spring | 210# EXTENSION SPRING WHITE 8' |
| EXTE--800--220 | Industrial Spring | 220# EXTENSION SPRING GREEN 8' |

