Upgraded electro-polished trim blades with stouter 1/4" diameter hinge pin make these Performance Trim Tab Kits a cut above the base level Lenco Standard Mount Kits. Equipped with the same fast response electric actuators for precise control. Fully submersible with all Plug & Play Deutsch connections. Blades are Electro-Polished 12 gauge - 304 SS with 1" turned up edges (the 16" x 12" and the 18" x 14" have an 85 degree inside taper) and 1/4" diameter hinge pin. Kit includes Standard Actuators with 5/16" SS bolts. The actuators mount at the trailing edge of the blades.