$139.10 (as of 09/12/2018 09:01 PST details )
Features:
- Strut tension plate for superior lateral support
- Quick action lock washer for fast height positioning
- Patented Fall Guard feature allows 1 25 mm safety zone around lock washer
- 1 1 2 Acme fine adjustment thread , the largest in the industry
- Set screw can lock jack head to stand for transportation , no loose pieces