COMPATIBLE WITH MERCURY/MARINER: SS00524 - 150-350 HP, 2 and 4 Stroke ProXS-Torquemaster Gen 2 Gearcase, 2011-Current; 200-350 HP, 4 Stroke Verado 5.44 HD Gearcase 2011-2019. SkegShield protects your skeg preventing damage and costly repairs. COMPATIBLE WITH MERCURY/MARINER: SS00524 - 150-350 HP, 2 and 4 Stroke ProXS-Torquemaster Gen 2 Gearcase, 2011-Current; 200-350 HP, 4 Stroke Verado 5.44 HD Gearcase 2011-2019. SkegShield protects your skeg preventing damage and costly repairs. NO-HASSLE INSTALLATION: With no welding and no epoxies required, our inboard/outboard skeg protector installs in as little as 10 minutes! Built for a custom fit to the motor, just slide and tap it into place, drill your holes and tighten the locking bolts. PREVENT GEARCASE DAMAGE: Our exclusive bolts are designed to shear during a high impact collision, acting as a break-away system to prevent further damage to your costly gearcase and propeller. Also includes a drain hole to prevent corrosion. PREMIU