Parallel pads have precise dimensions, parallelism and verticality, providing a practical, reliable and accurate position for the workpiece. They are easy to operate, economical and convenient for clamping a group of workpieces in drilling, milling, grinding and assembly. Made of high-quality steel after hardening, stress relief and fine grinding. Perfect for different uses with vice, milling machine and lathe High- manufactured parallel pads. With a practical storage box for easy carrying. (Storage box style, random wood grain,can not be chosen the specific ) Additional embossed lettering of each parallel pad for easier using. Length: 120 mm Accuracy: work accuracy 0.005MM. Hardness: quenching HRC52-58 degrees. 2 x 4 x 10 x 120 mm 2 x 4 x 15 x 120 mm 2 x 4 x 20 x 120 mm 2 x 4 x 25 x 120 mm 2 x 4 x 30 x 120 mm 2 x 4 x 35 x 120 mm Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Color: Photo Color Material: 40CR Package Contents: 1x Parallel Pad Gauge Block set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.