Material: Sen (Japanese hardwood) Dimensions: Overall length 19cm Tooth section width 2.4cm x length 3.5cm Coating: Coated with penetrating urethane oil (Kikata Ace) that complies with the Food Sanitation Act. ☆ This is a three-tooth type. ☆ Each item is handmade, so there may be slight variations in dimensions and shape. ☆ As this product is made of wood, please avoid soaking it in water for extended periods. ☆ Please avoid using in dishwashers, microwaves, and ovens.