Tension spring, 0.4–2.3 kg, 2.4 m, yes

Upper suspension consists of a sturdy heavy-duty shackle with cotter pin safety - Two mounting holes for cable and guide alignment - Mounting opening for safety cable (optional) - Sheet metal housing for protection of spring and drum - Cable guide made of hardened steel - Rubber dampers - Adjustable cable brake - Galvanized round strand cable - Snap hook for easy attachment and detachment - Easy-to-operate friction clutch - Load capacity: 0.4 - 2.3 kg - Cable length: 2.4 m - Locking mechanism: yes