Angle gauges; Carpenter's levels; Carpenters' folding rules; Carpenters' rules; Depth gauges; Feeler gauges; Gradient indicators; Length measuring gauges; Level gauges; Level indicators; Marking gauges for joinery purposes; Pressure gauges; Profile gauges; Screw-thread measuring machines and instruments; Seam gauges; Slope indicators; Square rulers for measuring; Squares for measuring