ANVER Vacuum Cups and Suction Cups For the Baking Industry Vacuum Cup Retainer Fitting Part Number: BP-RR Vacuum Cup Retainer Fitting for Various Baking Cups Fits BP37 thru BP40 Plastic Bobbin Style Fitting Model No. and Material Description D in. (mm) d in. (mm) H in. (mm) Item Weight oz. (grams) BP-RR (Plastic) Vacuum Cup Retainer Fitting for Various Baking Cups Fits BP37 thru BP40, Plastic Bobbin Style Fitting 0.97 (24.6) 0.35 (8.7) 0.29 (7.2) 0.056 (1.6)