"GAGE,RING;ITEM IS A GAGE,RING,GRADUATED,NUMBER 2.5 BALL BEARING CONTACT ANGLE;GAGE CONSIST OF A RING MATL ALUMINUM 6061-T6,7.000 IN. DIA. BY 0.750 IN.,GRADUATIONS 12 DEGREES ANGLE A 194 DEGREES 56 FEET TO 22 DEGREES ANGLE A 203 DEGREES 32 FEET;ALSO CONSISTS OF A BOX MATERIAL PLASTIC MFR 03663 P/N MP380H3-RC1"