Holding your Optical Tooling scale in the right place is made easier with our scale holders. We offer several magnetic scale holders, which fit our "narrow" and "wide" scales, and which are good for machined surfaces. They are strong enough to hold the scale in pretty much any orientation. Our V-block type scale holders help you orient a scale on a cylindrical surface (a roller). We also have several scale holders which are used in conjunction with our Invar scale extension kits.