Conduit piston (mouse). Used to vacuum pull rope through long lengths of conduit…. Vacuum the rope through, then attach your wire, then pull the rope back. : r/specializedtools

Long runs of PVC (or any conduit for that matter) Information by Electrical Professionals for Electrical Professionals

Find 4-1/2 Inch Conduit Piston Set at MSC Industrial Supply, serving the metalworking, safety, and MRO industries for over 75 years

4-1/2 Inch Conduit Piston Set

CONDUIT RAT™ - SMALL/MEDIUM - Conduit Rat

How to pull wire in conduit with a vacuum

This works for vacuuming twine through conduit! : r/electricians

PEISONGFEI 1 1/2 inch ID x 1 3/4 inch OD Heavy-Duty Steel Wire Vacuum Suction Hose, PVC High Pressure UV Chemical Resistant Thick Flexible Vinyl Tubing, Bilge Pump Hose,10FT : Industrial

Lexco Cable Mfg. Wire Rope Manufacturers

Conduit piston (mouse). Used to vacuum pull rope through long lengths of conduit…. Vacuum the rope through, then attach your wire, then pull the rope back. : r/specializedtools

Metal ring, spring loaded, with two holes. Found on a boat. Diameter about 6 inches. : r/whatisthisthing

Conduit Pistons Acme Construction Supply Co., Inc.

0.13 ft. x 1-1/4 in. Foam Carrier, Blue (3-Pack)

Greenlee - Piston Set 1/2-2, Fishing (S2613) - Conduit Fittings

Fish tape wouldn't go. Neither would a mouse. Then we switched the shop vac to blow… : r/electricians

Conduit Pistons Acme Construction Supply Co., Inc.