30PCS Air Conditioning Port Seal Washer Kit, 6 Sizes.Outside And & Inner dimensions: 16*8*1.8mm/0.6*0.3*0.07in. 19*11*2mm/0.7*0.4*0.07in. 23.5*15*1.5mm/0.9*0.6*0.06in. 25*17*1.5mm/0.98*0.7in*0.06in. 27.5*15*1.5mm/1*0.6*0.06in. 31*17*2mm/1.2*0.7*0.078in.Part Number CCA-36638