This slip stub / tube shaft is commonly used with 1350 and 1410 series slip yokes to build a heavy wall driveshaft with Ø2.5 x 1/4" wall tubing.
3.6" of slip with SPI-3-3-508KX (1410) - 28° max angle or SPI-3-3-5411KX (1410), 45° max angle. Use NDT-00146 for the tube yoke.
3.6" of slip with SPI-3-3-488KX (1350) - 20° max or SPI-3-3-2681KX (1350), 45° max angle. Use NDT-00164 for the tube yoke.