Greenlee 39255 Flexible Mandrel, 5.0 in.
The Greenlee 39255 Flexible Mandrel is a 5.0-inch diameter conduit proofing tool. Pulling this mandrel through conduit prior to wire installation confirms the bore is clear and unobstructed, protecting against failed pulls and conductor damage on large-diameter conduit systems.
Specifications
- Diameter: 5.0 inches
- Type: Flexible Mandrel
- Manufacturer: Greenlee
Features
- Flexible construction navigates bends and offsets in conduit runs
- Verifies bore clearance in 5-inch conduit before wire pulls
- Detects misaligned joints, crush damage, or debris blockages
- Prevents costly conductor damage by identifying conduit problems early
Applications
Intended for use on commercial and industrial projects requiring 5-inch conduit proofing before conductor installation. Standard practice prior to pulling large conductors through long or complex conduit runs.





