Is number 1 what they call a dog dish? cap #1 measures 10 1/8" on inside and is 1 7/8" deep cap #2 measures 13 3/4" across where the retainer tabs are cap #4 (spoke) measures 13 3/8" where the retainer pins are and is very heavy cap #3 measures 8 1/8" on the inside rim and the outer rim is 9 1/2" across total and is about 3" deep