Hey machinists and mechanics, this HHIP Dasqua telescoping gage set is exactly what you need for getting those perfect inside measurements! You get 6 different gages that cover everything from tiny 5/16-inch holes all the way up to 6-inch bores. The self-centering, double-action design makes checking inside measurements super quick and accurate - no more guessing about hole sizes or slot dimensions. Each gage has rigid handles with smooth movement that just feels professional in your hands. The satin chrome finish looks great and resists corrosion, while the constant spring tension gives you that uniform feel across all measurements. The contact points are made from hardened tool steel that's precision ground to fit even the smallest holes each gage can enter. The measuring ranges are perfectly spaced: 5/16-1/2\, 1/2-3/4\, 3/4-1-1/4\, 1-1/4-2-1/8\, 2-1/8-3-1/2\, and 3-1/2-6\ (that's 8-12.7mm, 12.7-19mm, 19-32mm, 32-54mm, 54-90mm, and 90-152.4mm for you metric folks). They come in a nice fitted case that keeps everything organized and protected in your toolbox. Whether you're working in a professional machine shop or doing precision work in your home garage, these gages deliver reliable, repeatable measurements every time. Seriously, if you're tired of inaccurate hole measurements messing up your projects, this set will become your new best friend in the workshop!