Stainless Steel Taps - Maple Sap Bag/Bucket Spiles for making Maple Syrup (5 PACK) Buckets and bag holders are hung over the 11/16 diameter washer High quality construction. Durable and reusable for year after year. Use a 5/16" drill bit to drill a hole into your tree and simply hammer this tap into place. Made to last a lifetime with proper care. Can be sterilized by boiling in water each season to improve yield.