FHC 6" Large Jaw IG Caliper - Fractional - 6JAWCAL

The 6JAWCAL greatly reduces the time spent when measuring the thickness of insulated glass. To use, just slide the jaw open and place the sash frame. Then slide closed until you hear the adjustable screw touch the glass, and read the exact thickness on the scale of the caliper. 

Measures glass thickness without having to remove trim | Ideal for measuring insulated glass in sliding doors and windows | Easy-to-Use | Measurement Scale Visible on Either Side | Larger Jaw Size Used For Vinyl Windows and Sliders with Wider Stiles | 3" and 6" Jaw Available.