Product Description

Used for checking the sizing in communication and electrical conduits. Recommended and used for the Telstra and NBN cabling installations, and for general plumbing.

Made from Coloured Acetal Rod 80mm length with 8mm bore, these Mandrels are hard wearing and cover a range of sizes for your full installation requirements.  Individual units, or available in a Set.


12mm Red
17mm Black
20mm Yellow
24mm Green
28mm Natural (White)
32mm Black
36mm Red
39mm Blue
42mm Yellow
46mm Green
52mm Natural (White)
63mm Black
75mm Natural (White)

Click here for our Proving Mandrel Sets

Additional Information

Weight .2 kg
Dimensions 8 x 1.2 x 1.2 cm
Mandrel Diameter

12mm Red, 17mm Black, 20mm Yellow, 24mm Green, 28mm Natural (White), 32mm Black, 36mm Red, 39mm Blue, 42mm Yellow, 46mm Green, 52mm Natural (White), 63mm Black, 75mm Natural (White)


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