C.S. Osborne No. 621 Hand Ventilator Setter

C.S. Osborne No. 621 Hand Ventilator Setter

Professional-grade tool is essential for setting brass air ventilators, breathers, or grommets into cushions made from canvas, vinyl, or leather. Designed for precision and durability, the C.S. Osborne Ventilator Setter ensures a secure fit every time, making it an indispensable addition to any upholsterer’s toolkit.

For setting 3/4″ Ventilators

1. Punch 9/16 hole into material (Use Osborne No. 149 9/16 punch, or for vinyl use 149 7/16)
2. Lay ventilator neck up on base, place material over ventilator, now place ventilator ring bow side up. A few taps with a mallet like Osborne 196 Rawhide will set ventilator.

For setting 1″ Ventilators

1. Punch 3/4 hole in material (Use Osborne No. 149 3/4 punch, or for vinyl use 149 5/8)
2. Lay ventilator neck up on base, place material over ventilator, now place ventilator ring bow side up. A few taps with a mallet like Osborne 196 Rawhide will set ventilator.