Products for bench top machinists | LittleMachineShop.com

Double Square, 6" 4R, PEC

Double Square, 6" 4R, PEC - Main image
$41.55 $62.95 In stock

Squares made by Product Engineering Corporation (PEC) are made in the US.

Made from a high-quality steel and unless otherwise called out a satin chrome finish. Fully hardened, tempered and etched with precision.

A double square is a precision tool used for marking, measuring, and checking squareness. It typically has a single sliding blade with two measuring points and is designed for accurate layout work, depth checks, and angle verification

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

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

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

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

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

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Madison L. ★★★★★

I was pleasantly surprised by how precisely the etched markings line up—makes layout work far more accurate than my old square. The fully hardened steel gives it a reassuring heft without being too heavy.

Edward J. ★★★★★

The satin chrome finish is so smooth and the etched markings are crisp and easy to read, even in dim light. I’ve used it for a few projects already and it feels solid and well-balanced in the hand. Definitely a step up from my old cheap square.

Lily ★★★★★

Picked this up for layout work, and the fully hardened steel body took a drop off the bench without a scratch. The etched markings are crisp and dead-on accurate, which is exactly what I needed for marking joinery.