Econo Point (FTC) weld pins utilize a specially pointed nail to assure uniform welding.
26072 FTC12 1/2in Pin Size 1/2in Duct Liner Size Qty 5 TH
26073 FTC34 3/4in Pin Size 1in Duct Liner Size Qty 5 TH
26074 FTC100 1in Pin Size Duct Liner Size 1in HD Qty 5 TH
26131 FTC118 1-1/8in Pin Size Duct Liner Size 1in HD Qty 3 TH
26226 FTC150 1-1/2in Pin Size Duct Liner Size 1-1/2in Qty 3 TH
26227 FTC200 2in Pin Size 2in Duct Liner Size Qty 3 TH