Ultra Precision 1-2-3" Block Set, 2Pcs/Pair .0001", Plastic Case Gas Mask Receiving Flask: (3) 1L 1

Receiving Flask: (3) 1L 1 Neck Borosilicate Oval-Shaped Round Bottom Flasks - 24/40

Unit overall dimension: 18"L x 7"W x 24-1/2"H

If it is too flat or the height difference between the front and rear ends is too large

[Size]: 2" Sanitary Sight Glass

5 - 3/8NC16

Ultra Precision 1-2-3" Block Set, 2Pcs/Pair .0001", Plastic Case Gas Mask Receiving Flask: (3) 1L 1Product Description 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" Product Features 5 holes tapped to 3 8 16 and others untapped Precision ground on all sides Squareness on all sides Surface finish Oversize to allow nominal tapping Product includes Five stainless steel socket head cap screws One hex key Fitted Case