2-1/2 In. to 4-1/2 In. turn-key dryer vent duct clamp. Band & housing and screw are 316 stainless steel. Band is 1/2 In. wide. Screw is 5/16 In. hex head. No tools are required. Remove the reusable plastic screw cap for a tamper- connection.
Opening Size: 2-1/2 In. To 4-1/2 In.
\nMaterial: 316 Stainless Steel
\nSAE Size: #64