- 12 inch folding tool, creates 38 and 1 fold depths in ductwork.
- Folding seams are formed from two steel halves, permanently joined together.
- Handy sight holes ensure proper depth alignment.
- 1 in. 25.4 mm deep folds for joist panning, plenums, register boots, trunk line end caps and more.
- 38 in. 9.5 mm folds for drive cleats.