The Monstro-Clamp 4″ fastens to those really big, (2-3/8″ OD to 4″ OD), pipes. CNC cut from solid one inch thick aluminum plate. 1/2″-13 × 4″ square head bolt.
To avoid breakage, do not use excessive force when tightening screws or bolts. Do not use any broken, cracked or worn out items.
Monstro Clamp Spec Sheet
