BRAND NEW-NEVER USED OR REMOVED FROM THE PACKAGE. THIS IS 2 -LIGHTWEIGHT SILVER ALUMINUM NASCAR / STOCK CAR WHEELS WITH SET SCREWS TO BE USED WITH SLOT-ITS 3/32 AXLES. THE WHEELS ARE 15mmX8mm AND ARE INTENDED FOR USE ON THE REAR OF NASCAR CARS AND OTHERS WHERE A SMALL HUB BUT WIDE WHEEL IS APPROPRIATE. THIS IS MEANT TO BE USED ON ALL SCX, REVELL, FLY, SCALEXTRIC, NINCO, AND OTHER SLOT CAR MANUFACTURERS CARS. IF YOU ARE REPLACING THE STANDARD PLASTIC GEAR IN MOST MANUFACTURERS CARS THE STOCK AXLES ARE METRIC IN SIZE (SLIGHTLY LARGER DIAMETER) ALONG WITH THE BEARINGS, AND STOCK PLASTIC WHEELS. IT IS BEST TO REPLACE THE BEARINGS AND AXLE WITH SLOT-IT'S 3/32 AXLE, BEARINGS AND THE ALUMINUM SET SCREW WHEELS. YOU CAN USE SUPER TIRES 1400C OR Y, 1401C OR Y, 1402C (STANDARD REPLACEMENT TIRE FOR MOST CARS) OR Y, 1403C OR Y, 1404C (STANDARD REPLACEMENT FOR NSR CLASSIC SERIES LIKE THE FORD GT40) OR Y, 1405C OR Y, OR SLOT-ITS SILICONE TIRES SIPT17 ON THESE WHEELS. THE WHEELS COME IN SILVER, RED, BLUE AND BLACK ANODIZED FINISHES. THIS AUCTION IS FOR THE SILVER FINISHED WHEELS. OFTEN THE STOCK WHEELS AND GEARS HAVE EXCESSIVE PLAY AND CANNOT HANDLE HEAVY STOP AND GO USAGE. SLOT-IT AND CB DESIGN WHEELS/PARTS ARE HEAVY DUTY AND WERE DEVELOPED FOR HIGH PERFORMANCE AND ENDURANCE USAGE AS WELL AS GIVING A SMOOTH AND PRECISE DRIVE TRAIN. THE PARTS ARE OF THE HIGHEST QUALITY AND BEAUTIFULLY FINISHED. ALL PARTS SHIPPED IN THE UNITED STATES ARE INSURED YOU ONLY PAY SHIPPING FOR THE 1ST PART PURCHASED AND ALL OTHER PARTS HAVE FREE SHIPPING AND YOU CAN EVEN MIX OR MATCH PARTS LIKE TIRES, WHEELS, GEARS AND MORE ................ WILL SHIP WORLDWIDE- WITH A MULTI ITEM SHIPPING DISCOUNT. FREE SHIPPING FOR PARTS WHEN THEY SHIP WITH A LARGER ITEM SUCH AS A CAR OR SET. ANY QUANTITY OF PARTS SHIPPED WORLDWIDE. WE ACCEPT PAYPAL, VISA, MASTERCARD, DISCOVER, AMEX ......................                                                 MULTI ITEM SHIPPING DISCOUNT OF .00 PER EACH ADDITIONAL ITEM OF SIMILAR SIZE SHIPPED IN THE US.