Lot of 20 sections of O gauge track, 17 10" curved sections and 3 10" straight. Appears to be Ives or similar: It's 5/8" from the bottom of the tie to the top of the rail. Rails are 3/8" tall. Straight nail-shaped pins. Narrow tie form. Fair condition. Needs cleaning. Some rust. Sold as is. Our home is smoke and pet free. We ship quickly. Buy with confidence!