Burgon & Ball Essential Tools Planting Ruler This beautiful wooden planting ruler from Burgon & Ball takes the guesswork out of planting your seeds. It features metric and imperial graduations, as well as handy sowing holes and a vegetable spacing guide to help ensure your seeds are perfectly positioned. An excellent piece of garden equipment for anyone who enjoys grow-your-own, or a perfect gift for any gardener. Made from FSC certified Beech wood, it measures 32cm