| 300 Series: |
OEM Column Strength - C1010 Material - Natural Finish - 5/16 diameter x .060 wall -
Heat Treated w/ Drilled & Welded Ball Tip - Up to 350lb Spring Pressure |
| |
| 500 Series: |
25% More Column Strength than our 300 series - C1010 Material - Black Oxide Finish - 5/16 x .075 wall -
Heat Treated W/Drilled Welded Ball Tip - Up to 500lbs Spring Pressure |
| |
| 700 Series: |
4130 Aircraft Quality Seamless Chrome Moly Tubing - Black Oxide Finish - 5/16 x .065 wall - Heat Treated
w/ Pressed Chrome Moly Tip - Over 300lb Spring Pressure |