CURT Trailer Winch. Manual Hand crank with 900 lbs load capacity and 3/4" hub diameter. Locking lever features broached pinions to prevent bonding failures and to ensure gear engagement. 6-1/2" long handle has comfortable plastic grip for solid leverage. 3:25:1 gear ratio. Corrosion resistant with zinc plating. Includes a versatile base with slotted holes for easy mounting.