Check the listing for details. Arrma Differential Shim Set (Fits 29mm Case) [ARA311094]. Condition: New. Listed at 11.99 USD. The Arrma Differential Shim Set provides you with a full range of shims to correctly shim your 29mm diff case differentials. Package includes shims needed for three differentials. Features: Strong and durable steel for long-lasting performance in all conditions Precision manufactured for consistent fit and hassle-free servicing Provided with three pairs of each size shim, enough shims for three differentials Specifications: Smaller Shim: Inside Diameter - 6.2mm, Outside Diameter - 11.9mm, Thickness - 0.3mm Larger Shim: Inside Diameter - 6.3mm, Outside Diameter - 15.7mm, Thickness - 0.2mm Open Diff Spacer: Inside Diameter - 12.0mm, Outside Diameter - 17.5mm, Thickness - 1.9mm Includes: (6) Shim: 6.2 x 11.9 x 0.3mm (6) Shim: 6.3 x 15.7 x 0.2mm (6) Spacer: 12.0 x 17.5 x 1.9mm About Us | View Store