GR-BM813-50-R-140 Cast Iron Single-Reduction Worm Reducer L (0.375") Pitch The accessory holder attachment is

The accessory holder attachment is available in a variety of bore sizes as shown in the part number table

CRSTF-PN24 RMW

The best blowgun is the one you have right now

CRFTC-PN20T

GR-BM813-50-R-140 Cast Iron Single-Reduction Worm Reducer L (0.375") Pitch The accessory holder attachment isFeatures One piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment. Factory filled with premium Mobil Glygoyle 460 polyalkalene glycol lubricant. Large oil capacity provides positive splash lubrication and superior cooling capability. Viton double lip seals provide extended life through increased resistance to high temperature, abrasion and chemicals. The unique quill seal guard protects the