iGaging 4R Precision Machinist Double Square Set - 1/8", 1/16", 1/32", 1/64" Graduated Scales - Professional Metalworking & Woodworking Measuring Tool for Engineers, Machinists, and DIY Projects

These compact double squares come with either 4” or 6” blades. These double squares are indispensable for setting up machinery and performing a host of shop measuring and layout tasks. They fit nicely in the hand and slip in an apron pocket. They feature hardened, tempered steel blades with a satin-chrome finish that reduce glare and resists rust. The blade markings are precision laser-etched with quick-reading 4R markings with graduations in 1/8ths, 1/16ths, 1/32nds and 1/64ths.  The square heads are cast, precision-machined and have a baked-on black finish. All measuring surfaces are precision lapped. The heads lock down tight via a locking knob. Made to meet Federal Specifications in GGG-S-656E.  Guaranteed square +/- 0.002”.  Comes fitted in a storage case.

Specifications:

4”

• Head: 2.460” x 1.040” x 0.50”  
• Blade: 4” x 0.780’ x 0.085”

6”

• Head: 3.750” x 1.180” x 0.90”  
• Blade: 6” x 1” x 0.085”

WARNING: Cancer and Reproductive Harm -