Product Details: Update your semi with an effective method of transferring engine power, with the Spicer 1810 Series Half Round Greaseable Universal Joint that ensures you're Ready for the Road Aheadâ„¢. With a cross-shaped design, this universal joint is able to transfer power to the wheels from the drive shaft while it moves up or down with the suspension. Crafted with precise measurements and a durable body to resist weathering, rust, and corrosion.