This has inside snap ring universal joint. (GUT-21) 29mm X 49mm I/C (5-1510X) (1351-20)
The butt size (Part that goes into the tube = 60.15mm (2.368")
The length of the complete slip joint "Compressed" or closed is 9.250" Center of Eye to weld
Spline Count: 20
Major Spline Diameter: 1.310
Centerline To End: 7.500
Notes: Does not fit all Toyota OEM 20 spline stubs. Toyota truck.