#621 3/4" VENTILATOR SETTING DIE

#621 3/4" Osborne Hand Ventilator Setting Die. 1- Punch 9/16 hole in material. Use Osborne No. 149 9/16 punch).2- Lay ventilator neck up on base, place material over ventilator, slip ventilator ring on bow side up. A few taps with an Rawhide Mallet will set ventilators.-Length is 4", width 1", weight 14 oz. Sold individually