SERIES 4000 – Half Round Rods, U-Bolts October 12, 2020 Featuring u-bolts and half-round rods. The u-bolts can either be in a guide or hold down configuration. Standard finish/trim includes galvanized steel parts, white thermoplastic for the half-round, and a polyolefin shrink wrap u-bolt coating. Related products SERIES 2500 – Plastic Shim Blocks, Clamp, Baseplate Read more SERIES 1000 – Adjustable Pedestal Base Read more SERIES 3500 – Spacer, Clamp, Baseplate Read more SERIES 1500 – Angle Base Read more