Garlok Safety Latch - Garmin Echomap Ultra Tamper Resistant Latch.Works with Garmin Echomap Ultra 102SV, 106SV, 122SV, 126SVDesigned to fit snug around the Garmin Echomap Ultra cradle latch, preventing accidental disengagement of the unit from the cradle. With this installed, you’re still able to use of the Garmin screen cover without any modifications which is crucial in protecting your expensive unit.A tamper resistant stainless steel torx screw is used to make removal of the latch more difficult without the proper tool. A brass threaded insert is also molded into the latch to provide a tight secure fit.  A T20 tamper resistant torx bit and an extra torx screw are included with each latch.