Ideal Tridon 6M20051 POWR-GEAR CLAMP.

HEAVY DUTY POW’R-GEAR® 6M - Pow’r-Gear clamps are designed for high vibration and stubborn leakage application such as industrial machinery, heavy truck, farm and off-road equipment or engines. Features extra wide 5/8″ band and housing. Delivers high rates of band tension. Material Specifications: Screw: 5/16″ Hex Head; 305 Stainless - Housing: 300 Stainless - Band: 5/8″; 300 Stainless - Installation Torque: 75-90 in-lbs (8.5-10 Nm) Size: No. 212 Fits Hose with Inner Diameter of: Min (in)= 1-1/4, Max (in)=2-1/8, Min (mm)= 32, Max (mm)= 54.