"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, Mounting Hardware Included Yes, Adjustable Yes, 3in. to 13in., Color Black, Material Type 24-gauge steel, Pieces qty. 1, Product Style Connector kit/connectors, Length in. 14 13/32, Fuel Type Wood burning. 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"