For older domestic made moulders 

Self centering sleeves (SCS)  

• clean

• threads smooth

•  fits 1-13/16" spindle

• 2-1/8"OD X 1-13/16"ID X 3"CAP X 4"OAL

• Right Hand Threads (turn nut to right tightens)

• Part #SA439 Made in USA

• Actual photos

• 1.5 lbs