2 Pc Ultra Precision 1-2-3 Blocks .0001'' Metal Block Set Holes Milling Drilling Machining

Brand New 2 Pc Ultra Precision 1-2-3 Block Set 23 Holes Squareness: .0001" Parallelism: +/- .0001" Height Accuracy in Pair: +/-.0001" Hardness: HRC 56-60 Finished from 6-16 micro inches Nominal Tapping: 0.0001" to 0.0003" 5 holes tapped to 3/8-16 and others untapped Precision ground on all sides Squareness on all sides Product includes: Five stainless steel socket head cap screws, One hex key, fitted case Case Included Case Overall Dimension: 8-1/4''L x 5''W x 2''H *Estimate Only* Shipping Weight: 2.75 Lbs Quantity: 1 set Small Freight Item