3M Series Trench Shield
The 3M trench shields are ideal for plumbing and utility work, maintenance and repair and other light duty applications. The narrow 3-inch wall in the 3M Series is the lightest weight steel trench box we manufacture.
- Only fully gusseted steel knife edge
- Trapped thru wall collar assemblies with additional inside reinforcement for increased strength and stiffness
- Optional adjustable collars
- D - rings for ease in lifting
- 5" Sch. 80 spreader pipe
- All certified by a Professional Engineer to meet OSHA Standards