Insta-Trim Boat Levelers Insta-trim Boat Levelers provide a safe, comfortable, economical ride every time you leave the dock. You can correct a bow high or list condition with a simple flick of the rocker switch. Trim can be corrected on any shape hull - flat, round or deep "V". Insta-Trim Boat Levelers are made of 12 gauge 304 stainless steel and guaranteed against electrolysis. A 12, 24 or 32 volt kit includes a motor with a thermo-overload, a pump with a built-in bypass and epoxy sealed solenoids for locking the tabs in position. Also included is a protective cover with a transparent reservoir, hydraulic lines, cylinders, brackets, rocker type switches, wiring, stainless steel mounting hardware, and two stainless steel tabs with hinges. The tab depths are available in 8 and 11 inch chords and the lengths vary depending upon the length of the boat. Dual cylinders are standard for 46 to 72 inch tabs. Boat Type Length Tab Size Single Outboards All 12" x 8" Or I/O's 18" x 8" Twin Engine All 12" x 11" Outboards or I/O's 14" x 11" & Some Cruisers 18" x 11" (Longer Chord Tabs) 24" x 11" Inboards 18'-21' 24" x 8" 22'-25' 30" x 8" 26'-29' 36" x 8" 30'-36' 40" x 8" 37'-41' 46" x 8"* 42'-50' 50" x 8"* 51'-55' 55" x 8"* 56'-63' 60" x 8"* 61'-UP 72" x 8"* These are all estimates. Call if you are uncertain of sizing. * These tabs come with two Hydraulic Cylinders per each tab.