This milking lid is designed to fit Westfalia-style buckets. The design features exceptional workmanship and fine polished stainless steel construction. ID of the lid is 7-/8". Lid fits buckets which measure 5.7" (145mm) between top of bucket and bottom of handle buckets 140411 140408 2609021 2609001 2619002. Nipple is 5/8" ID. Gasket is included. Wt. 2 lbs.