Alvin 30 Series 4 inch Mini Aluminum Architect Triangular Scale

Professional pocket scale constructed of solid aluminum for light weight and durability. Features tapered edges and color-coded furrows. Comes in vinyl sheath. All architect scales have the following graduations unless otherwise noted: 3/32 3/16 1/8 1/4 1/2 1 3/8 3/4 1½ 3? to the foot; one edge to 16ths.