Turning Point Express Mach4 - Left Hand - Stainless Steel Propeller - EX-1515-4L - 4-Blade - 15" x 15 Pitch [31501542] Winterizing It has the highest gain

It has the highest gain of any TV antenna for its tiny 24cm Diameter

Box Dimensions: 5"H x 11"W x 11"L WT: 28 lbs

low profile

Compatible hull material: wood and fiberglass

Box Dimensions: 3"H x 3"W x 3"L WT: 3

Turning Point Express Mach4 - Left Hand - Stainless Steel Propeller - EX-1515-4L - 4-Blade - 15" x 15 Pitch [31501542] Winterizing It has the highest gainExpress Mach4 Left Hand Stainless Steel Propeller EX 1515 4L 4 Blade 15" x 15 Pitch The Prop that put the "four" in Perfourmance! Turning Point's Four Blade revolutionized the propeller market when it was introduced. No one had ever produced a propeller with two different blade shapes (they call it Dual Geometry) for 90 300+hp applications. This prop is uniquely engineered with two blade geometries: (diagram label 2)two blades utilize the Hustler high