1pc Guitar Upper Nut Real Cattle Bone Material Nuts for Mandolin Replacement The item is shipped from USA.The delivery time to US region is about 2 to 5 BUSINESS days Pls notice the shipping time!! Real Cattle Bone Material, which improve sound to be more fantastic than cheap plastics. Size: 28mm*5mm*7mm = 1.1"X0.196"X0.28"