CNC machined solid aluminum, anodizedTaper Cut to reduce rotating mass and increase accelerationAllows for better accelerationReplaces differential spider and side gears (for Arrma AR310436)Only fit 31mm front, center, or rear (there is no center differential in LimitLess)Suitable for:1/8 Arrma Kraton , Notorious , Outcast , Senton , Talion , and 1/7 LimitLess InFraction, 1/10 Senton . Fits the front, center, or rear differential. Compatibility:For - InFraction ARA109001For - Kraton: AR106005, AR106015, AR106018, AR106029/31, ARA106040T1/2For - LimitLess ARA109011For - Notorious: AR106034/6, ARA106044T1/2For - Outcast: AR106021, AR106027, AR106032/3, ARA106042T1/2For - Senton: AR106007, AR102654, AR102673For - Talion: AR106003, AR106014, AR106030 (2018 V3 model), ARA106048 (V4)For - : AR106001, AR106013, AR106028, ARA106046Note: Color deviation might exist due to different monitor settings and light, please kindly understand.Tool Supplies:Assembly CategoryRC Parts & Accs:Servo AccessoriesUse:Vehicles & Remote Control ToysTechnical parameters:Value 2Remote Control Peripherals/Devices:ReceiversFor Vehicle Type:Four-wheel Drive Attributes:AssemblageWheelbase:Screwscolor:BlackMaterial:Aluminum alloyPackage Contents:1 x Differential Locker SpoolOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.