10 pairs Parallel Blocks Adjustable 0.0005 Accuracy 1/8inch Steel Parallel Set Features: 1. The size and parallelism of the product provides the actual, reliable and accurate position of the workpiece. 2. Simple and economical operation in drilling, milling, assembly and other work. And can easily clamp a set of workpieces. 3. Made of steel after hardening, stress relief and fine grinding. 4. Adjustable parallel pad has a wide range of uses in design, metering and inspection work and in setting up various machine tools. 5. They are also easy e in machine pliers for leveling and adjustment of milling and grinding machines, forming machines, planers, rigs, and many other applications.   Specification: Condition: Item Type: Parallel Block Material: Tool Steel Quantity: 10 Pairs Accuracy: 0.0005 Size: 1/8inch Package List: 20 x Parallel Block