CRL Insulating Glass Caliper
Specifically designed to eliminate mistakes during insulating glass unit fabrication, the CRL Insulating Glass Caliper makes it easy to measure I.G. unit thickness in sliding windows and doors. This useful tool features a four inch (102 millimeter) scale on each side for quick and convenient calibrating. Made of high impact resistant plastic for durability. An inexpensive way to measure insulating glass units or any other object where thickness dimensions are required.