Machined AISI 304 Stainless
These U-bolts have UNC (Unified National Coarse) threads
Outer mounting plate is held in place by unique, adjustable, finished nuts
Plate sizes for #080135: outer plate- 3/4" x 2-1/4"/inner plate- 1-1/4" x 2-3/4"
Plate sizes for #080155: outer plate- 3/4" x 2-1/4"/inner plate- 1-1/2" x 3-1/2"
Plate sizes for #080187: outer plate- 3/4" x 3" inner plate- 1-1/2" x 3-1/2"