Function This is a guide bolt designed to assist with wheel positioning during installation. It prevents scratches to the wheels and brake calipers and stops the wheel from accidentally falling during mounting or removal. Ease of Use With this wheel guide pin tool, you can easily align the bolt holes on the hub to mount the wheel and tire, eliminating the need to struggle with balancing the wheel against your knee. Features Designed with a hole for convenient hanging and portability. Made from high-quality hardened carbon steel; rust-proof and corrosion-resistant. Knurled edge design ensures a secure grip during installation and removal. Specifications: Material: Steel Operation: Manual Metric Thread Sizes: 2x M12*1.25, 2x M12*1.5, 2x M14*1.25, 2x M14*1.5, 2x M15*1.25. Package Contents 10 x Car Wheel Guide Bolts 1 x Tool Storage Bag