Precise 1-2-3 Precision 11 Hole Block Set – 3402-0051

• Ultra Precision.
• Hardened and precision ground on all 6 sides of each block.
• Accuracy with squareness on all sides within .0001 per inch.
• Consists of 5 tapped holes that are 5/16-18 for clamping and 6 untapped holes drilled through.
• Dimensions: 1 x 2 x 3
• Sold as a matched pair.