Features: Inflatable tires set, made of soft rubber with foam inserts, simulated beadlock style plastic wheel rim, high wear-resistance, excellent quality and performance. Applications: These 2.2 plastic beadlock wheels and tires are used for 1/10 scale RC monster truck or crawler. Compatible with Axial Tamiya Redcat RC4WD HPI Traxxas MST Gmade Vanquish Products, etc. Note: These rc wheels and tires are assembled already, no need to install or inflate. Please do not inflate the tires too often, if really need, 1 or 2 pumps are enough. If the air is too full, it will cause the tires leak and no longer hold air. Package Included: 4×Wheels & Tires 4×M4 Lock Nuts 4×M4 Washers 4×M5 Lock Nuts 4×M5 Washers