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 r r 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 32cmr r takes the guesswork out of sowing your vegetable seedsr handy