Shot Dartboard Leveller Tool - with bottle opener. Eliminate the guesswork of straightening your dartboard with this durable and practical Alignment Tool. Use during set up or to check board alignment after rotating the number ring, this tool is an essential addition to your dart lane setup. Made from tough stainless steel, for long lasting use. Plus, the handy built-in bottle opener makes it a must-have accessory for any darts night.