ANVER Vacuum Cups and Suction Cups Model: 1/8″ Female Thread Fitting Part Number: OCF1-18F-NPT Aluminum Fitting Vacuum Fitting Part No. Connection Thread Size L Height Added to Assembly in. (mm) Item Weight oz. (grams) OCF1-18F-NPT 1/8″ female 0.51 (12.9) 0.123 (3.5)