Irwin Irwin Hss 5/16" Dia Carded Accessories grit and light obstructions from

grit and light obstructions from duct | Pulling eye on one end and smaller twisted eye on the other end for tailing line allows bi-directional use | Can be pulled to loosen dried material before using mandrels or spreader swabs | For use in 6-Inch ductsAmazon

or standard 14-Ounce cartridge

Made in USA | Fitting Brush 3" diameter

Double Spiral 79" Brass Hose with Swivel End Matte Black | This item is used for Plumbing Fixtures

From the company's beginning

Irwin Irwin Hss 5/16" Dia Carded Accessories grit and light obstructions from733 series. Fractional straight shank, self centering tip for clean fast starts, Jet Point for clean entry and faster drilling stays sharp longer, high speed steel features a black body and gold flute, three flatted shank on 3 16" and above for better chuck grip. Drills more holes and drills faster than other leading drill bits. 135 split point.