
- Heavy-duty wall jack; OSHA compliant; up to 500 pound capacity per wall jack
- Positive spring-loaded cam lock; Designed for use with 1-1/2 by 3-1/2-inch (2 x 4) fir poles
- Constructed of heavy-duty, malleable cast iron
- Includes 1 wall jack; 2 x 4 lumber not included
- 17 pounds each