Check the listing for details. Samix RC Axial SCX10 III Brass Adjustable Diff Differential Cover SCX3-4075. Condition: New. Listed at 39.99 USD. Samix RC Axial SCX10 III Brass Adjustable Diff Differential Cover SCX3-4075 Feature: 1) Adjustable brass weight system so you change to your liking 2) Made from brass coated in black 3) Adds 47g or 52g of total weight to the axle (suitable for front & rear both) 4) Increases durability and strength over stock 5) Laser engraved highlights Combine Shipping: Domestic: We will happily combine shipping. On small parts it is the highest shipping plus $1 for each additional item. On parts orders of $50 or more shipping is $5.99. If you use the Ebay shopping cart you will receive the correct combine shipping rate. For larger items please purchase them without the Ebay shopping cart, but don't pay until we send an invoice. International: We will happily combine shipping. On small parts it is the highest shipping plus $2 for each additional item. If you use the Ebay shopping cart you will receive the correct combine shipping rate. For larger items please purchase them without the Ebay shopping cart, but don't pay until we send an invoice. International Shipping: WE SHIP INTERNATIONAL, via USPS First Class Mail or Priority Mail International. International shipments generally take 2-4 Weeks, but can take up to 6 weeks with customs delays. Please be patient. WE DO NOT FALSIFY CUSTOMS FORMS, BUYERS ARE RESPONSIBLE FOR ALL CUSTOMS FEES, DUTIES, AND TAXES.