Boom Racing #BRSCX47B Aluminum Wheel Widener (4) (Offset: 20mm) Blue [Recon G6 The Fix Certified] Fits most RC cars and trucks. Lightweight upgrade instantly enhances overall performance in handling and durability Material: Aluminum. Add 20mm offset. Total length: 24mm (4mm sits inside wheel hub) Width: 12mm hex wheels.Includes 4x wheel pins and spacers. Color: Blue Takes 7 to 15 business days by standard airmail shipping. 80% of packages arrive within 10 business days. Most packages ship within 12 hours. Please allow 1 extra day if order is placed during the weekend. Expediated shipping is shipped by DHL or Fedex. Arrives in about than 2-5 days. Major cities will receive orders earlier.