Collars For Ductboard Collars for Sheetmetal (collars are 30 GA in 3"-12" and 26 GA 14"-20" unless stated otherwise) Snaplock Pipe 24", 36", 60" & 120" No. 186 Pipe Hanger 6" No. 188 Pipe Bracket Joist Bars 15¼" & 19¼" No. 151 Pipe Plug (crimped) 30 GA 3"-12" 26 GA 14"-20" No. 152 Pipe End Cap (no crimp) 30 GA 3"-12" 26 GA 14"-20" No.153 Tee Joint Plug w/ Handle 26 GA 3"-12" No.153 Tee Joint Plug w/ Handle 26 GA 3"-12" No.153 Tee Joint Plug w/ Handle 26 GA 3"-12" No.153 Tee Joint Plug w/ Handle 26 GA 3"-12" No.153 Tee Joint Plug w/ Handle 26 GA 3"-12" Stickon Collars With Peel Off Adhesive (Available in 4"-10"; 26 GA, 12"-20") Snaplock Pipe 24", 36", 60" & 120" No. 186 Pipe Hanger 6" No. 188 Pipe Bracket Joist Bars 15¼" & 19¼" No. 151 Pipe Plug (crimped) 30 GA 3"-12" 26 GA 14"-20" No. 152 Pipe End Cap (no crimp) 30 GA 3"-12" 26 GA 14"-20" Sheetmetal Spin in Collars (Available in 30 GA 4"-10"; 26 GA 12"-20") Snaplock Pipe 24", 36", 60" & 120" No. 186 Pipe Hanger 6" No. 188 Pipe Bracket Joist Bars 15¼" & 19¼" No. 151 Pipe Plug (crimped) 30 GA 3"-12" 26 GA 14"-20" No. 152 Pipe End Cap (no crimp) 30 GA 3"-12" 26 GA 14"-20"