Lectrotab XKA Aluminum Alloy Trim Tab - 12x9 [XKA12X9A]XKA Aluminum Alloy Trim Tab 12 x 9 The Lectrotab Aluminum Alloy trim tabs are uniquely designed to meet the needs of Aluminum hulled boats and are an economical option for all boats. All Aluminum Alloy tabs are fabricated with an extremely strong "no break" polypropylene hinge. All Aluminum tabs are sealed with a corrosion resistant epoxy coating. Combined with a precision engineered actuator, this kit is built to combine quiet operation with a non