![2-4-6 Blocks Matched Pair (2 Each), Hardened Steel RC 55-62, 23 Holes (2x4x6 Inches) 246 Precision Ground Machinist Set Up Blocks TTW246: Amazon.com: Industrial & Scientific 2-4-6 Blocks Matched Pair (2 Each), Hardened Steel RC 55-62, 23 Holes (2x4x6 Inches) 246 Precision Ground Machinist Set Up Blocks TTW246: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81NhJG9LZ2L._AC_UF1000,1000_QL80_.jpg)
2-4-6 Blocks Matched Pair (2 Each), Hardened Steel RC 55-62, 23 Holes (2x4x6 Inches) 246 Precision Ground Machinist Set Up Blocks TTW246: Amazon.com: Industrial & Scientific
![All Industrial 55540 | 2-4-6 Blocks 23 Holes Matched Pair Ultra Precision 0.0006" Machinist 246 Jig - All Industrial Tool Supply All Industrial 55540 | 2-4-6 Blocks 23 Holes Matched Pair Ultra Precision 0.0006" Machinist 246 Jig - All Industrial Tool Supply](https://cdn11.bigcommerce.com/s-mzpq4daxph/images/stencil/original/products/3508/353732/133244962183-A__71057.1670236762.jpg?c=2)
All Industrial 55540 | 2-4-6 Blocks 23 Holes Matched Pair Ultra Precision 0.0006" Machinist 246 Jig - All Industrial Tool Supply
![2pcs/set Hardened Steel 2-4-6 Blocks 0.0001" Precision Matched Machinist 246 Milling Tool 23 Holes Ground Machinist Set - Gauges - AliExpress 2pcs/set Hardened Steel 2-4-6 Blocks 0.0001" Precision Matched Machinist 246 Milling Tool 23 Holes Ground Machinist Set - Gauges - AliExpress](https://ae01.alicdn.com/kf/HTB1B_wKXtzvK1RkSnfoq6zMwVXaO/2pcs-set-Hardened-Steel-2-4-6-Blocks-0-0001-Precision-Matched-Machinist-246-Milling-Tool.jpg_.webp)
2pcs/set Hardened Steel 2-4-6 Blocks 0.0001" Precision Matched Machinist 246 Milling Tool 23 Holes Ground Machinist Set - Gauges - AliExpress
![SPI - Setup Block Sets; Type: 1-2-3 & 2-4-6 Block Set; Squareness Per 1 Inch (Decimal Inch): 0.0003; 0.0001; Number of Pieces: 4; Tapped Hole Size (Inch): 3/8-16; 5/8-11; Includes: (1) Pair SPI - Setup Block Sets; Type: 1-2-3 & 2-4-6 Block Set; Squareness Per 1 Inch (Decimal Inch): 0.0003; 0.0001; Number of Pieces: 4; Tapped Hole Size (Inch): 3/8-16; 5/8-11; Includes: (1) Pair](https://cdn.mscdirect.com/global/images/ProductImages/8524107-11.jpg)