Introducing the Setup Blocks Height Gauge by POWERTEC The POWERTEC Setup Block Set is a must-have for anyone who wants to get accurate measurements and save time on setup. Our precision-machined aluminum alloy setup block set is an excellent tool for woodworkers of all experience levels, the blocks are made of aluminum alloy and are machined to within 0.00 1 in. accuracy, making them the perfect tool for setting fence, cutter heights, table saws, bench drills and other woodworking tools, the laser-etched markings are easy to read from all sides and the included storage case makes it easy to keep your blocks organized and protected Features-Precision-machined aluminum construction for durability. Introducing the Universal 5 in 1 Measuring Gauge by POWERTEC This versatile measuring gauge tool provides you with a variety of functions designed to produce high precision measurements and repeatable settings for quick and professional looking results. Determine the angles of both your drill bits and countersinks with the built in drill point gauges. Accurately set or check the precise depth of dados or drilled holes with the innovative caliper concept of reading the scale. Router bits depths can be set accurately up to three different way; use the side preset depth markings, the center preset depth markings or the dual graduated scale, the height of table saw blades and dados are can be quickly set using the center gauge presets which range from 1/8 in. up to 2 in.