Duct Diameter Tape Measure

£22.00 £17.00

In stock

This crafty little device is a breeze to use 🙂

Simply wrap the (very) thin retractable tape measure around the duct and read of the duct Diameter!!  So clever and so easy.

Obviously the tape scale simply converts Circumference using the equation ΠD to get the diameter.

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Inventys Ltd | Balnafettach House | Cromdale | PH26 3LW

Tel: (01479) 872 518 |