Fowler 81 Piece Square Steel Gage Block SetFowler Square Steel Gage Block Sets are manufactured to the same high precision and from the same special steel used in our rectangular sets and conform to ASME B89. 1. 9 2002 Features: Sets supplied with certificate of inspection showing deviation for each block Grade All Gage Block Sets include certifications of calibration traceable to the National Institute of Standards and Technology Gage Block Sets are made to special standards to resist

Features:• High quality distortion free magnifiers• 3 lens triplet construction• Polished chrome bodies• Lenses are recessed to protect them from damage• Optics pivot into body for added protection• Includes fitted leather case

• Hardened stainless steel throughout with measuring faces precision ground and microlapped for exceptional accuracy

• Ideal for setup

• 5/8" diameter

• Revolution counter

• Scriber Shank 12mm x 10mm

• 4" measuring base

then carefully inspected and marked for size

• Includes adjustable tolerance limit markers

the Pocket-Scope never loses focus

standards & provides the individual deviation of each block

• Supplied with NIST certification