This wand mates to hose handles with 2 inches between the button lock and the female electrical connection. Includes button lock hole on top and button lock nipple on the bottom. A cord channel holds the electric power brush cord in place for connection to an electric vacuum hose. Fits into the lower wand (part 406SL). Size: 19 inches long, 1.25 inch inner diameter. Center of button lock and hole are 1-3/8 inch from ends (it is okay if there is a difference with what it mates to). When the cord is inserted in the top plastic channel cord holder, the distance between the top of the cord pins to the top of the metal wand is one inch (the perfect fit for all electric hoses in the shopping cart). Measurement; 18-1/2 inch. Plastic Channel measures 1-1/8 inch.