Matched 1x2x3 Inch Blocks And 10 Pair One Eighth Inch By 6 Inch Pro Grade Accuracy Steel Parallel Set Hardened And Ground Tool Steel With 0.0003 Inch Parallelism For Machining Milling And Inspection

Precision 1x2x3 in Blocks with 10 Pairs Parallels
✔️ 10 pairs of 1/8 x 6 in accuracy parallels with matched 1x2x3 blocks

This professional set combines precision-ground 1x2x3 inch blocks with ten pairs of 1/8 inch by 6 inch accuracy parallels, hardened and ground for long wear in machining, milling, and inspection.

✅ 0.001" size tolerance with 0.0003" top and bottom parallelism (0.00762 mm)
✅ 1x2x3 in blocks: 25.4 x 50.8 x 76.2 mm, accuracy ground on six sides, 0.0002" per inch squareness
✅ Parallels: 1/8 x 6 in, 3.175 x 152.4 mm, cross drilled for light weight and rigidity
✅ Hardened and stress-relieved tool steel for wear resistance and long-term stability
✅ Includes 10 pairs of 1/8 x 6 in parallels and a matched 1x2x3 block pair for full setup
✅ Squared references ensure accurate layout and fixture alignment in milling and inspection

💡 What is a precision parallel block set used for in a machine shop? This handy kit helps align and square parts with repeatable accuracy for reliable milling, drilling, and inspection workflows. - Improves workpiece alignment on milling machines and fixtures - Provides repeatable references for squaring and layout in fixtures - Reduces setup time and increases measurement consistency across jobs