ABC 19-38 Series 2 Blade Propellers, .38 Bar Fits 3/16"(4.75mm) Shafts. As pitch increases the blade angle increases.
How the ABC numbering system works.XXXX-XX-XX(X) XXX
Example an 1615-19-38(2) CLL breaks down like this. 16 = 1.6" diameter in inches. 15 = 1.5" Pitch Radio 19 = RAKE ANGLE 38 = BLADE AREA RATIO (Bar) (2) NUMBER OF BLADES CL-CLEAVERL-LEFT ROTATION OR R-RIGHT ROTATION