Galvanized 8″ Thimble 12″ Length

Galvanized 8″ Thimble 12″ Length Use this galvanized thimble as a sleeve when running a Stove Pipe through the side of a masonry chimney. Keep its inner end flush with the inside of the flue surface. The thimble is 12″ long, meets NFPA 211 standards, cuts easily, and is sized to accommodate 6″ or 8″diameter pipe. Inside dimensions are 63/16″ and 83/16″ respectively. Do not use as a thimble in or around combustible materials. Features: Finish: Galvanized. Type: Thimble. Specifications: Overall Dimensions: 12″ (L) x 8″ (W).