FHC 6" Large Jaw IG Caliper - Fractional Toggle Mirror Plates and each chamber requires a

and each chamber requires a 2-1/2" (64 mm) hole to be drilled in the wood

One (1) package of mounting hardware

0254 to 0508 mm)

They are packed in bulk boxes including nails

non-porous surface such as metal or glass

FHC 6" Large Jaw IG Caliper - Fractional Toggle Mirror Plates and each chamber requires aThe 6JAWCAL greatly reduces the time spent when measuring the thickness of insulated glass. To use, just slide the jaw open and place around the sash frame. Then slide closed until you hear the adjusting 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