Description Designed to make square and rectangular glass box soldering projects easy!!! The boxer is made of 3/8″ thick cast acrylic and it’s constructed with open corners to allow for easy soldering of joints. Holds the stained glass or bevels at perfect 90° angles! Dimensions are 6-3/8”W x 6-3/8”L and 2-1/2”H. A must have for your next intricate project! Brought back to market by the makers of quality Cutter’s Mate products and manufactured with permission by the Emerald Rainbow Co.