Ideal Tridon 5Y01251 TURNKEY CLAMP 1/2IN SIZE 12.

Turn-Key clamps offer innovative design and install with a simple hand twist. No tools are required. Remove the reusable plastic screw cap for a tamper-resistant connection. Applications include dryer vents, filter bags, RV sewer hoses, cable and wire bundling. Material Specifications: Screw: Capped Head; Plated Carbon Steel - Housing: 300 Stainless - 5Y Band: 1/2″; 200 Stainless Size: No. 12 Fits Hose with Inner Diameter of: Min (in)= 1/2, Max (in)=1-1/4, Min (mm)= 13, Max (mm)= 32.