The Spicer 5-674X Half Round U-Joint is designed for Series 1610 applications, featuring a greasable half-round design. It has a cap size of 1.875″ and a lock-up length of 5.312″, providing reliable power transmission and durability. This U-Joint, weighing 6.40 lbs, is part of the Driveshaft Universal Joint Kit and is built to handle demanding conditions.