✔These Upgrade Parts Susp A-Arms Compatible with models: Arrma 1/10 Granite 4X4, Senton ✔Replacement of Original stock part number : AR330443 AR330516 ✔Made of Quality Aluminum,CNC machined for precision.Anodized.Increased strength and precision. Come with Screw pins,easy upgrade from the original part ✔Package Include: 4x Alloy A-Arms (2xLeft & 2x Right), Hardware Included (As shown in the picture)