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
• Customizable
• Stackable