1-1/2" Main Ball Stud Mount Ball Transfer BTSM-381SS

The 1-1/2" (38.1 mm) Stud Mount Ball Transfer with Stainless Steel Ball features a carbon steel housing and stainless steel main ball for corrosion resistance.

It has a load capacity of 250 lbs (113.5 kg). 

It comes in a threaded stem size of 3/8" (9.525 mm). 

The main ball rotates on (90) 3/16" (4.762 mm) ball bearings. 

The hardened ball support cup and protective cover ensure low torque and long life.