Uxcell 560-16 16mm Dia Rubber Bellows Sealing Mechanical Seal for Pump Shaft Product name : mechanical seal; model no. : 560-16 Internal diameter : 16Mm/0. 6"; overall size : 32 x 40Mm 1 26" x 1. 57" (max. Dh) Material : rubber, alloy, metal, ceramic; main color : Black, white, Silver tone Net weight : 28G Package Content : 1 x mechanical seal