$27.65

Matched Pairs Ultra Precision 25-50-75mm Metric Block Set 23 Holes ^

$21.18

WEN 10423 3 x 2 x 1-Inch Steel-Hardened Precision 123 Blocks, Two Pack

$49.49

HFS(R) 1 Pair 234 Blocks 2-3-4 Ultra Precision .0003 Hardened Steel 23 Holes

$19.59

1 Matched Pair Ultra Precision 1-2-3 Blocks 23 Holes Machinist 123 Jig.0002"

$29.98

iMGages Space Block, 36pcs set +/-0.0001", 3/4" Dia. w/1/4"-28 Thread, 57-60 HRC

$20

(2) Vintage Wilson Rockwell Hardness Test Blocks - B-91.1±1.0 & B-92.1±1.0

$97.77

CARBIDE 3.0000 Gage Block Grade 2 Rectangular SOLID CARBIDE 3"

$51.5

1/2'' x 6'' Steel Parallel Set 4 Pair Hardened Square Precision Gauge

$159.95

Mitutoyo 75mm Ceramic Rectangular Calibration Inspection Gage Block Grade 0

$90

Full Starrett Parallel Block Set A-F Excellent Condition

$31.28

New 8 Piece 1-2-3 123 Precision 23 Hole Block Set With Screws & HEX KEY Case

$16.93

1-2-3 123 BLOCKS NO HOLE MATCHED PAIR ULTRA PRECISION .0001" MACHINIST JIG New