"This DuraVent Slip Connector with Trim Collar saves time when installing a DuraBlack stove pipe from a wood-burning appliance to a ceiling support box or wall thimble. U.S.A. Pipe Diameter in. 6, Pipe Design Single wall, Adjustable Yes, 3in. to 13in., Mounting Hardware Included Yes, Pieces qty. 1, Product Style Connector kit/connectors, Material Type 24-gauge steel, Fuel Type Wood burning, Color Black, Length in. 14 13/32. No cutting is necessary Adjustable from 3-13in. Easily create a telescoping combination with a straight length stove pipe 24-gauge steel construction 6in. dia. x 14.4in.L Trim collar and mounting hardware Single wall"