Original Name / Part No.: AR330197Part location: Tip of front upper and lower arms & inside of knuckle armsProduct major functions & usage: Stabilize and adjust the angle of knuckle armsAccessories:Pivot Balls 4pcsMajor advantages of upgrading to this part/product :1. The material is upgraded to harden steel #45 for long-lasting durability.2. Precision threads manufactured for reliable fitting and provide smooth rotation for knuckle arms.Other special notes and comments:Suitable for ARRMA KRATON, SENTON, TALION, TYOHON, OUTCAST