Photo 1 of uxcell 608ZZ Ball Bearing Guide Pulley Roller Round Wheel 8x30x10mm Double Metal Shielded (GCr15) Chrome Steel Bearings 4pcs

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Photo 1 of uxcell 608ZZ Ball Bearing Guide Pulley Roller Round Wheel 8x30x10mm Double Metal Shielded (GCr15) Chrome Steel Bearings 4pcsPhoto 2 of uxcell 608ZZ Ball Bearing Guide Pulley Roller Round Wheel 8x30x10mm Double Metal Shielded (GCr15) Chrome Steel Bearings 4pcs