Weiler 36303 1/2″ Inside Diameter, 5/8″ Outside Diameter, 302 Stainless Steel Features: Rust-proof stainless steel bristles, clean I.D. and O.D. with the same tool Fitting brush cleans inside diameter Ideal for plumbing and HVAC projects Clean I.D. and O.D. with the same tool 3/4″ Inside Diameter, 7/8″ Outside Diameter, Description: The Turbo Tube Brushing Tool is two brushes in one, so fittings and copper tubing can be easily cleaned without changing tools. Payment: We accept PayPal and all major credit cards. “Buy It Now” items require immediate purchase. Shipping: Most items ship within 1 business day of received payment. Shipping is free unless you upgrade your shipping speed at checkout. You will receive tracking information within 48 hours of shipment. Returns: If you need to return your purchase, please do so within 30 days of receiving your item. Please contact us for an RMA number. We will not accept returns without an RMA number.