Product Details: Get your semi truck Ready for the Road Ahead™ with enhanced control of its hydraulic system, with the Apsco VM Series Single Axis Straight Handle Feathering Valve. This replacement valve works to lock the hydraulic system in a neutral position, reducing the risk of accidental engagement of gears. Engineered with a positive lock in the neutral position to enhance safety by preventing unintentional movement or shifting. FleetPride is your First Click in Heavy Duty®.