ITEM NAME:Zinc Alloy Change Gear Spare Parts for HG P401 P402 P601 1/10 Rock Crawler Description: 100% Brand new and high quality. Fine workmanship, long-lasting durability. Available for HG P401 P402 P601 1/10 RC Crawler. Item NO.: H01014 Material: Zinc alloy Size Chart: Diameter: approx. 14.2mm/0.56inch Thickness: approx. 8mm/0.31inch Package Includes: 1 Piece Change Gear SKU: MNF0021551261017975.Available for HG P401 P402 P601 1/10 RC Crawler. Material: Zinc alloy. 1 Piece Change Gear. Size Chart Thickness: approx.