Check the listing for details. Gunson Trakrite Camber Comparison Gauge 77066. Condition: New. Listed at 89.95 USD. A magnetic gauge that attaches to the hub or disc brake to allow comparison of the castor and camber angle. Indicates the before and after adjustment to maintain proper wheel alignment and even tyre wear, making it useful after dismantling and re-assembly of the suspension to approximate the correct camber setting. The spirit level has a graduated camber scale from -3 to +3 the tool is easy to read. There is an adjustment knob on the back and a spirit level on the front for setting up the tool. The simplest and safest way for our customers to pay for items is through PayPal. This is the primary option on eBay and is the quickest way to complete postage. We do also accept credit and debit cards and you can find our details via the Business Details section on eBay to complete payment. We do.