This milking lid has a locking handle and fits Coburn long handle buckets; MP120, MP140, 140411, 140408 and 2619002. The two-nipple design features polished stainless-steel construction. The two nipples have an ID of 5/8" with an ID of the lid being 7-7/8". Lid fits buckets which measure 5.7" (145mm) between top of bucket and bottom of handle. Gasket is included. Wt. 2 lbs.