Carrot Design Solid Wood Seed Dibber Tool for Planting Seeds Bulbs and Plants Shows measurements for planting depth in both centimeters and inches. Measures up to 7 inches deep. Measures up to 17.5 centimeters deep. Simple and effective wood seed dibber makes planting seedlings, seeds or bulbs easier. Made of sustainable beech hardwood. Dibbler works great in planters, container gardens, traditional gardens and raised bed gardens. Easy to use seed dibber simplifies planting with clear measurements in inches and centimeters.