Ideal Tridon 5344051 LINED CLAMP 1/2: SIZE 44.

WORM GEAR LINED 53-0 - Lined clamps are designed for use with silicone rubber and other soft hose applications. The liner protects the hose surface and prevents it from extruding or shearing through the band notches as the clamp is tightened. Material Specifications: Screw: 5/16″ Hex Head; Plated Carbon Steel - Housing: 200 Stainless - Band: 1/2″; 200 Stainless - Installation Torque: 35 in-lbs (4 Nm) Size: No. 44 Fits Hose with Inner Diameter of: Min (in)= 2-5/16, Max (in)=3-1/4, Min (mm)= 59, Max (mm)= 82.