Gridfinity Calipers and Accessories Holder Designed for Mitutoyo and OriginCal 6in Calipers 8x1x5H Gridfinity Units (335mm L x 41.5mm W x 35mm H) I wanted to keep several measuring tools at hand together in an IKEA Alex Drawer. Could not find a desing that would make use of the most space, so I designed my own. Holds: One 6” Calipers Gridfinity Ruler (units or smaller) Three-Four Metal Rulers Pen Four CR2032 Batteries Three LR44 Batteries Tape Measure Small parts