Right Angle Braces - Wood Mag Tip of the Day For each pair, start with a square of Baltic-birch plywood and cut it in half diagonally. Then cut notches for the clamps, above. You can vary sizes to suit larger or smaller projects. The braces help
I found a useful hardness chart for various types of wood with colors associated for each type
Hardness Levels Infographic: Comparing Exotic and Domestic Lumber for Wood Flooring– When it comes to lumber type, there are varying levels of hardness. Here is an infographic that compares a range of wood species by hardness.
Drill Bits Storage and Organization. Drill Bit Gauge and holes to show which goes with which size bit. Never miss a bit with holder-and-gauge combo. (I'm kind of embarrassed to have never thought of this.