Products for bench top machinists | LittleMachineShop.com

Combination Square Set, 12" 4R Precision

Combination Square Set, 12" 4R Precision - Main image
$49.66 $69.95 In stock

This premium square features a 12 Inch blade, a cast iron center finding head, a cast iron 180 degree protractor head and a cast iron square/miter head with 45 degree and 90 degree precision ground faces.

The adjustable heads may be locked securely in any position along the precision ground satin chrome finished steel blade. The protractor head can be moved in both directions.

The blade features etched, machine divided graduations in 1/8 Inch and 1/16 Inch on one side and 1/32 Inch and 1/64 Inch on the other.

The square/miter head incorporates a spirit level and hardened scriber.

The square comes packaged in a padded plastic storage case.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Benjamin Z. ★★★★★

The protractor head feels solid and the markings are crisp and easy to read. I checked it against my machinist square and it was dead-on accurate. A great set for the money.

Emily ★★★★★

The center-finding head locked onto this dowel rod perfectly on the first try, making layout for a shelf bracket incredibly fast. That cast iron feels solid in the hand, not like the cheap aluminum sets I've used before.

Penelope A. ★★★★★

The protractor head rotates smoothly and locks solidly at each angle, making layout work much quicker. Having all three interchangeable heads in one set is genuinely handy for woodworking projects.