Guardian 21" to 32-1/2" L Adjustable Motor Support (1780245) by Springfield MarineA(R). Over the roller strap-on mount. This superior product is perfect to make your trailer towing experience safe and convenient. Designed to meet the highest quality standards, it is 2nd to none in durability and performance. Made using the finest materials, it is sure to serve you reliably for a long time. Includes 15" Black EPDM rubber holding strap Economy bolt-on and over the roller strap-on mount Features Cast aluminum head with high-strength aluminum shaft Supports the cantilevered weight of the motor Stabilizes engine and steering mechanism when trailering.