Ideal Tridon 6030051 POWR-GEAR CLAMP.

HEAVY DUTY POW’R-GEAR® 60 - Pow’r-Gear high performance clamps are designed for high vibration and stubborn leakage applications such as industrial machinery, heavy truck, farm and off-road equipment engines. Pow’r-Gears feature an extra wide 5/8″ heavy gauge band and a wide profile housing that provides maximum engagement of screw threads to band. Engineered to deliver exceptionally high rates of band tension to handle the toughest sealing jobs. Material Specifications: Screw: 5/16″ Hex Head; 410 Stainless Steel - Housing: 300 Stainless - Band: 5/8″, 300 Stainless - Installation Torque: 75 to 90 in-lbs (8.5 to 10 Nm) Size: No. 312 Fits Hose with Inner Diameter of: Min (in)= 2-1/4, Max (in)=3-1/8, Min (mm)= 57, Max (mm)= 79.