Features & details Perfectly Compatible: Fits 75/90/115/200/225/250/300HP Mercury SeaPro 4 Stroke, Pro XS Four Stroke and Four Stroke Engines, even the new Mercury V6 175HP engines. Excludes Mercury 150hp and Mercury Verado Series. Best Outboard Motor Support for Trailering. Uueego transom saver securely locks the outboard motor in a forward position during trailering, greatly reducing the risk of road shock damaging the engine, avoiding scuff marks and any possible excessive pressure on hydraulic seals. High-Quality Construction. The major structure is made of non-corrosive stainless steel with black powder-coated finish. The pins are non-corrosive stainless steel. Bump Stops are made of rubber. Uueego outboard motor support has high hardness and strength. Easy to Store: Uueego outboard trailer support has a little size and the compact mount makes it easily to be stored in nearly any boat compartment. Easy to Use: Two tension pins lock it on to the transom (select desired holes for height). Hold it up to the back of the outboard mounting bracket, drop the engine, the rubber bumpers rest against the flat spot on the motor.