Welcome to Defender Canada! 
Sea-Dog Small Hatch Spring - 321650-1 Item # 2139226
Description
Features:
- Internal cable to prevent overextension and twisting
- Sold each
Specifications:
- Installs with four #6 RH fasteners or 1/8" pop rivets (not included)
- Material: 304 Stainless steel
- Dimensions:
- A: 8 5/8"
- B: 1 1/16"
- C: 3/4"
Note: Not recommended for applications where hatch will scoop wind while boat is underway and overextend spring.