Available: 22", 36", 40", 45" Harrisville Designs Sectional Warp Beams are available for all of our looms. They are sturdily constructed and made of solid hardwood with unbreakable nylon pegs spaced at 2" intervals. The sectional beams are 18" in circumference for easy measurement and specially designed thread guides are included. Sectional beams are a great time-saver for long production warps.