Check the listing for details. 1854021 QUICK RELEASE BRACKET FOR MINN KOTA MKA-21, ULTERRA, TERROVA W. Condition: New. Listed at 55.90 USD. Description: Replaces Part Number 1854021, MKA-21. Compatible with most Minn Kota Ulterra, Terrova, PowerDrive, PowerDrive V2, PowerDrive Pontoon or Deckhand 40 trolling motors. FEATURES: Quick release mounting bracket allows for quick removal and reinstallation of the trolling motor to the boat deck. Conveniently and easily remove the trolling motor or reinstall it on the bow of the boat when fly fishing from the boat. INSTALLATION: Low-profile slider design mounts the traction motor to the top bracket, to connect the two parts of the quick release plate, simply place the large outer plate over the smaller inner plate and thread the stainless steel “U” shaped handle through the side of the mounting plate and through the outer metal pins.