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

The 1-1/2" (38.1 mm) Stud Mount Ball Transfer with Nylon Ball features a carbon steel housing and nylon main ball for non-marking applications. 

It has a load capacity of 125 lbs (56.75 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.