This Mower Wheel Power Lock Lockdown Device is a wheel locking clamp compatible with zero-turn mowers using 10.5-inch to 12.5-inch caster tires. Easy-to-install lockdown device that holds your zero-turn mower’s caster wheels firmly in place. Designed for zero-turn mowers, the Mower Wheel Power Lock Lockdown Device prevents unintended rolling during transport, storage, or maintenance. The lock mechanism delivers reliable wheel immobilization for 10.5 to 12.5-inch caster tires, giving operators confidence when parking their zero-turn mower. Key Features & Performance. Secures caster wheels up to 12.5-inch diameter with firm clamping force. One-handed engagement for quick lock and release. Rugged construction resists flex and corrosion from outdoor use. Fits most zero-turn mower caster forks without drilling or modifications. Compact profile avoids interference with mower deck or frame. Works on both sides-left and right caster wheels. Compatible with zero-turn mowers having caster tires measuring 10.5″ to 12.5″. Securing caster wheels when loading a zero-turn mower onto a trailer. Locking wheels during on-site service or blade changes. Preventing roll-away on sloped driveways or storage areas. Stabilizing the mower while attaching or detaching implements. Compatible Tire Diameter: 10.5 – 12.5 inches. Application: Zero-turn mower caster wheels. Lock Type: Mechanical lever-actuated power lock. Q: What tire sizes does this lockdown device fit? A: It fits zero-turn mower caster tires with a diameter between 10.5 and 12.5 inches; measure your tire before ordering. Q: Does it require permanent mounting? A: No, it clamps onto the wheel and caster fork without drilling, allowing tool-free installation and removal. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number.