The TPHD 21 Inch Vertical Crank Handle Trailer is a reliable replacement for OEM numbers 905.700.501 and 905700501. This durable crank handle is designed for landing gear, providing smooth and efficient operation for trailers. Its 21-inch length offers ample leverage for easy maneuvering, making it a practical and essential tool for trailer maintenance. With its sturdy construction and precise design, this vertical crank handle ensures reliable performance and long-lasting durability, making it an essential addition to any trailer maintenance toolkit.