: Matched Pair 1-2-3 Blocks Set | 23 Hole Precision Machinist Tooling w/ Case

Matched Pair of 1-2-3 Blocks, an essential setup tool for any machinist, hobbyist, or fabricator. These blocks are used for squaring up workpieces, layout, and mounting.

Product Details:

• Precision Design: Standard 1" x 2" x 3" dimensions.

• Versatile: Features 23 holes per block for various clamping and mounting configurations.

• Condition: Used. The blocks show some light surface patina/shelf wear consistent with age (as seen in photos) but remain solid and functional.

• Included: Comes with the original storage box and the original factory Certificate of Accuracy.

These are perfect for someone starting a home shop or needing an extra pair of "setup" blocks that you don't have to worry about getting a little oil on.

Machinist tools, 123 blocks, Setup blocks, Precision inspection, Milling accessories, Lathe tools, Shop tooling.

Hard-to-Find Tools Since 1978

New • Used • Vintage • American Made • Industrial Surplus • Specialty Tools

Tucson Tool Shop specializes in hard-to-find tools, vintage tools, American-made tools, industrial tools, machinist tools, automotive specialty tools, industrial surplus, new old stock (NOS), and specialty equipment.

We carry tools from many categories, including hand tools, mechanic tools, machinist tools, drill bits, cutting tools, measuring tools, automotive tools, HVAC tools, welding tools, vintage tools, and industrial tooling.

Used & Tested

We do not clean, refurbish, or alter used items unless specifically stated in the listing. We leave that decision to the buyer.

Used tools are tested before listing and again before shipping to verify functionality.

Used items are backed by the Tucson Tool Shop 30-Day Guarantee.

Actual Item Shown

The photographs show the actual item you will receive. Please examine all photos carefully for condition, markings, wear, accessories, and other details.

Tucson Tool Shop

We are a brick-and-mortar tool store in Tucson, Arizona, continuing the legacy of a tool business that has been around since 1978.

We have thousands of positive customer reviews and make customer service our #1 priority.

Fast Shipping

Most orders placed before 2 PM Arizona time ship the same day when possible and before the carrier’s daily pickup.

No Sunday shipments.

Can’t Find It?

Ask us! We have thousands of tools and pieces of equipment in our physical store and inventory, and some items may not yet be listed online.

Hard-to-find tools. Vintage tools. American-made tools. Industrial surplus. Specialty tools.

We know tools. We test used tools. We find the weird stuff.

Tucson Tool Shop — Hard-to-Find Tools Since 1978.