kimllier 10Pcs 1/8 Accuracy Parallel Block Set, 3 x 1/8 .0002 Parallelism Gage Blocks

10Pcs 3" x 1/8" Accuracy Parallel Block Set, 40Cr SteelSpecification:Parallelism: 0.0002"Material: 40Cr SteelHardness: HRC52-58Tolerance of Size: 0.0003"Hole Size: 13/64", 1/4", 5/16", 3/8", 7/16", 1/2"Size: 3" x 1/8" x (1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-5/8")Features: Used for installation, layout and inspection workThis product is equipped with wood box, easy to store and carry, not easy to mess or lostAccuracy parallel block suitable for machinists, woodworking, metal working work, accurate and easy to cleanPackage Includes: 10 x Accuracy Parallel Block

• Hole Size: 13/64, 1/4, 5/16, 3/8, 7/16, 1/2
• Material: Made of 40Cr steel, HRC52-58 strong and durable, long service life
• Accuracy: The tolerance of size is about 0.0003, the parallelism is about 0.0002
• Dimensions: The dimensions of two identical sides are 3and 1/8, and the dimensions of different sides are 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8, 1-1/2, 1-5/8
• Features: The surface of the parallel pad is precisely ground and hardened, not easy to deform. With boxes, wooden and plastic boxes are randomly sent.