Woodpeckers Precision Woodworking Tools MINISQUARE Mini Square You can use any square for checking a chisel That's why Woodpecker came up with the Mini Square At 1-1/8" x 2", inside dimension, it is absolutely perfect for checking the edge of your cutting tools for square The inside dimensions are 1 1/8-inch by 2-inch Machined from a solid block of aluminum Resistant to corrosion Easy to handle and won't damage fragile cutting edges Anodized surface