MODEL 200M P/N 12-14800 $23.85
(2-3/4" Dia. Dial) - Very versatile tool --ideal plumb bob. Magnetic base and center hang hole. Body of high impact ABS plastic. Dial protected by acrylic cover. Angle and rise chart on back.

MODEL 300 P/N 12-14700
(4" Dia. Dial) - With base and side V-grooved for easier use on round surfaces. Body of high impact ABS plastic. Dial protected by clear acrylic cover. Angle & grade chart on back shows angles in degrees and rise in cm/m.