GMP 91234 3/8" Toneable Continuous Duct Rodder - 800 ft (244 m), 18 AWG Copper Core
The GMP 91234 Toneable Continuous Duct Rodder provides exceptional strength, flexibility, and traceability for professionals working in underground conduit systems. This 3/8 inch (9 mm) fiberglass rod includes a built-in 18 AWG copper conductor, allowing it to carry a signal for accurate duct tracing and route verification when used with a standard signal transmitter and receiver. With an 800 ft (244 m) rod length, this model is ideal for mid- to long-distance applications in telecommunications, fiber optic, and electrical conduit installations.
Engineered for field reliability, the 91234 features a high-visibility orange fiberglass rod housed in a heavy-duty, powder-coated tubular steel carrier. The rod is marked every 2 feet for quick measurement, while the large airless tires and hand-operated brake ensure smooth, controlled handling on any job site. Built to endure tough environments, this toneable duct rodder combines durability and precision for consistent, long-term performance.
Features:
3/8 in. (9 mm) toneable fiberglass rod with integrated 18 AWG copper conductor
18 AWG copper wire runs inside the fiberglass core and connects directly to the end fittings; clip the transmitter lead to the female end fitting and run the other lead to a ground stake
Toneable (detectable) rod lets you trace and map duct routes with a signal transmitter and receiver, without digging or trenching; also compatible with a sonde
800 ft (244 m) rod length for extended duct runs
Rod marked every 2 ft for accurate measurement and distance reference
Works with signal transmitters and receivers for accurate underground duct tracing
Rugged powder-coated tubular steel carrier resists corrosion and heavy use
Large airless tires provide excellent stability and easy transport on uneven terrain
Hand-operated brake allows precise payout and retrieval control
Includes male threaded end fitting with tapered head and female threaded rear fitting
Designed for conduit locating, mapping, and verification applications
Specifications:
Rod Diameter: 3/8 in. (9 mm)
Rod Length: 800 ft. (244 m)
Weight: 101 lbs.
Rod Material: High-visibility fiberglass with embedded 18 AWG copper conductor
Conductor: 18 AWG copper wire, connected to the end fittings
Markings: Length marked every 2 ft
Carrier Construction: Tubular steel alloy with powder-coated finish
Brake Type: Hand-operated manual brake
Wheel Type: Large, maintenance-free airless tires
End Fittings: Male threaded end with tapered head; female threaded rear fitting
End Fitting Threads: 3/8-16
Rated Tensile Strength: 10,000 lbs.-f (45.2 kN)
Rated Pull Strength: 1,400 lbs.-f (6.2 kN)
Minimum Bend Diameter: 12.2 in. (310 mm)
Carrier Dimensions: 33.5 in. Dia x 35 in. L x 13.5 in. W x 40.5 in. H (851 x 889 x 343 x 1029 mm)
Model: 91234
Available Lengths:
| Part # | GMP # | Rod | Length |
| GMP-91228 | 91228 | 3/8 in. (9mm) toneable | 500 ft (152m) |
| GMP-91234 | 91234 (this item) | 3/8 in. (9mm) toneable | 800 ft (244m) |
| GMP-91238 | 91238 | 3/8 in. (9mm) toneable | 1000 ft (305m) |
Replacement Parts:
| Part # | GMP # | Description |
| - | 88326 | Replacement 3/8 in. toneable rod, 800 ft |
Accessories:
| Part # | GMP # | Description |
| GMP-88425 | 88425 | Duct rodder accessory kit for 3/8 in. toneable rod, with canvas pouch |
| - | 88418 | Splice repair kit for 3/8 in. toneable rod |
Related Products:
| Part # | GMP # | Description |
| - | 90234 | 3/8 in. x 800 ft standard (orange, non-toneable) duct rodder |
How to Service a Broken Toneable Rod (Splice)
How to Service a Broken Toneable Rod Male Fitting
How to Service a Broken Toneable Rod Female Fitting