* MADE IN THE USA OF 7075 T-6 ALUMINUM, INTERNALLY CONTOURED AND RELIEVED TO MINIMIZE WEIGHT AND MAXIMIZE STRENGTH* LOW-FRICTION UPPER BEARING SEAL COMPLETELY SEALS CUP FROM CONTAMINANTS AND IS FULLY CAPTURED BY THE TOP COVER* STEEPER OR SLACKER +/-0.5, +/-1.0, +/-1.5 DEGREE* DEPENDABLE BLACK-OXIDE COATED, SEALED BEARINGS* INTERLOK SPACER COMPATIBLE