BL-123 Pair of 1″ x 2″ x 3″ Precision Steel 1-2-3 Blocks


Color:Original version

1 Matched Pair Ultra Precision 1-2-3 Blocks 23 Holes .0001″ Machinist 123 Jig

Make sure this fits by entering your model number.
Our Part # ALL-55500
Heat treated and case hardened to HRC 57-62. Made of precision-grade tool steel hardened and ground on all 6 sides of block
Accuracy and squareness on all sides within .0001″-.0002″
23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes Cross drilling design allows for efficient use of lower weight with maximum strength, Dimensions- 1″ x 2″ x 3″, 2.1 lbs. weight

Additional information

Part Number
Item Weight
Package Dimensions
Item model number
Item Package Quantity
Number of Pieces
Batteries Included?
Batteries Required?


There are no reviews yet.

Be the first to review “BL-123 Pair of 1″ x 2″ x 3″ Precision Steel 1-2-3 Blocks”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.