Measure twice, cut once is only useful if the measurement is straight. This collection covers tape measures, laser distance meters, spirit and cross-line levels, try squares, calipers, and marking tools.
For furniture and cabinetry, a 600 mm try square and a good 5 m tape handle most layout. For remodeling, a self-leveling cross-line laser pays for itself in one room.
See the sizing charts for fastener and bit conversions.