Northwest Short Line 4856 Universal Driveline Couplers -- 1.2mm Primary Cups Shaft, 1.5mm Horned Ball Shaft, 3/32" Ball Diameter

Ball-type universal driveline coupling for use as double universal or as two single joints. Sets with the same ball sizes may be combined to couple different shaft sizes. Easy-to-install press-fit ot cup can be drilled and tapped for set screw, Made of celcon acetal engineering plastic. 2.4mm fits 3/32".
 
Additonal cups: 1.5, 2.0mm.