Ferrule for 3" OD tube is 29/32" long. Short Weld Ferrule is made of Type 304 Stainless Steel with #4 Dairy Finish and features threading on one end and butt weld on the other.
Ferrule for 2.5" OD tube is 27/32" long. Short Weld Ferrule is made of Type 304 Stainless Steel with #4 Dairy Finish and features threading on one end and butt weld on the other.
Ferrule for 1.5" OD tube is 1/2" long with 1.375" ID. Short Weld Ferrule is made of Type 304 Stainless Steel with #4 Dairy Finish and features a standard clamp on one end and butt weld on the other.
Ferrule for 2.5" OD tube is 1/2" long with 2.370" ID. Short Weld Ferrule is made of Type 304 Stainless Steel with #4 Dairy Finish and features a standard clamp on one end and butt weld on the other.
1-7/16" long for 3" OD tube. Plain Recessless Ferrule for standard clamp is made of Type 304 Stainless Steel with #4 Dairy Finish. 1-1/8" long for 1.5" OD tube. 1-3/8" long for 2.5" OD tube.