it includes a dust box for cleaner working conditions
Easy to set up in both the horizontal and vertical modes due to automatic self-levelling of 8% (± 5°)
Compact and lightweight design for efficient field handling
The parallel guide supports straight-line work
Ridgid Knockout Punch & Punch Die Catalog Number:17502 it includes a dust boxRidgid Knockout Punches Catalog No. Conduit Size Actual Size Price 17497 1 2" 22. 5mm 1,500. 00 17502 3 4" 28. 3mm 1,650. 00 17507 1" 34. 6mm 1,850. 00 17512 1 1 4" 43. 3mm 2,000. 00 17517 1 1 2" 49. 7mm 2,850. 00 17522 2" 61. 8mm 3,500. 00 17527 2 1 2" 74. 4mm 6,100. 00 17532 3" 90. 6mm 7,400. 00 17537 3 1 2" 103. 2mm 13,750. 00 17542 4" 116mm 18,350. 00 Ridgid Knockout Punch Dies Catalog No. Conduit Size Actual Size Price 17547 1 2" 22. 5mm 1,300.