The ACME 542 3 Blade 13" x 11.5" ACME manufactures a propeller. It has three blades, and its size is 13 inches by 11.5 inches. It is likely used for a variety of boating and marine applications.
Manufacturer Part Number542
Item 63011
Pitch 11.5"
Cup 080"
Shaft 1"
Rotation Right
Prop Blades 3
Prop Diameter 13"