This Walthers Cornerstone HO Scale Single-Track Railroad Bridge Concrete Pier kit is perfect for use with Cornerstone single-track bridges and is part of the Cornerstone HO Scale Engineered Bridge System. This kit can be built with or without a cutwater and molded cut lines allow you to customize the height to fit your bridge height. The kit includes parts for two single-track concrete bridge piers and comes molded in a concrete base color. Part of the Cornerstone HO Scale Engineered Bridge System. Common prototype design used with various types of bridges Fits steam, diesel and modern eras Use with Cornerstone single-track railroad bridges (sold separately) Simulates poured concrete construction Build with or without cutwater ends for extra realism Adaptable to other bridges Parts for two complete piers Molded cut lines for easy height adjustment to 4-11/32, 3-15/16, 3-1/2, 2-3/4 and 1-31/32′ 13, 11, 9, 7 & 5cm Cornerstone Engineered Bridge System railroad bridge kits Single-track bridges PLEASE NOTE: If you are planning on installing piers with the wider Single Track Truss Bridge (933-3185, sold separately), use the Double-Track Railroad Bridge Concrete Pier 2-Pack (933-4552), sold separately.