Smart Tabs SX Trim Tabs by Lectrotab 9.5 x 10 f/13'-15 Boat w/30 - 40HP - White [SXW9510-30]Smart Tabs SX 9. 5 x 10 for 13' 15 Boat with 30 40HP White The SX series incorporates all of the fully automatic features of the popular Smart Tabs, in addition to the rust and corrosion free benefits of molded composite materials. Assembly can be completed in seconds, and the installation in a few minutes. The only tools required are a drill with a 3 16" bit and a Phillips screwdriver. Smart Tabs SX provide unequaled performance and durability with