EASY TO USE This parallel block offers simple and economical operation for drilling, milling, assembly, and other tasks. It can easily clamp a set of parts, helping to improve working efficiency.ACCURATE POSITION The size and parallelism of this parallel block provide true, reliable, and accurate positioning of the workpiece. It is made of high-quality steel, hardened, stress-relieved, and finely ground for precision.BUILT TO LAST This parallel block is constructed from tool steel, stress-relieved to resist distortion, and precision ground and hardened for strength and durability. Reapplying oil after use is recommended.WIDE COMPATIBILITY The adjustable parallel slider is suitable for a wide range of applications in design, measurement, inspection, and setting up various machine tools. It is also useful in mechanical clamping for leveling and adjusting milling and grinding machines, forming machines, planers, platforms, and other industrial applications.