SPI Quality Hardened Squares with Straight Edges

Class N with Thin Blade and Wide Beam

Features:

• Accurate right angles both inside and outside
• Beams and blades are accurately ground and lapped for straightness and parallelism
• Beam is grooved at inner corner for clearance of burrs and dirt
• Hardened to RC 55
• Accuracy: .0002" +L/50,000 where "L" is length of blade in inches

Blade lengths are approximate.