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Starrett - Setup Block: 0.0001 Squareness, Hardened Steel, 1–2–3 Block - 58705880 - MSC Industrial Supply
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Starrett 1 Piece Vise Bench Block Steel, 1/8 - 5/8 Tapped Hole, 3" Wide, 1-1 /2" High 50559 - 86405610 - Penn Tool Co., Inc
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BL-123NH Pair of 1 x 2 x 3 Blocks without holes: Power Milling Machine Accessories: Amazon.com: Industrial & Scientific
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WEN 25 mm x 50 mm x 75 mm Steel-Hardened Metric Precision 123 Gauge Blocks ( 2-Pack) 10457 - The Home Depot
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