Hygro-i2 Hole Liners and Caps – 50 Pack

Tramex Hygro-i2 19mm Hole Liners & Caps – 100 Pack

Hygro-i2® Hole Liners and Caps for use with Tramex Hygro-i2® relative humidity probes. To perform ASTM F2170 in situ RH testing of concrete floors and slabs using a 3/4″ drill bit.

Hole liners 3″ long – Available in packs of  12 and 100.