Model Cup dia. Cup depth Rim width Backbore
6A4a  15.99mm shallow wide narrow
7B4  16.08mm semishallow wide
8A4  16.25mm shallow wide
8E2 16.15mm deep funnel narrow
9 16.33mm medium standard
9C4  16.36mm medium wide
10A4a  16.43mm shallow wide narrow
10A4  16.43mm shallow wide
10B4  16.43mm semishallow wide
11A  16.51mm shallow standard
11AX  16.51mm shallow standard open
11C2  16.51mm medium narrow
11 16.53mm medium standard
11D4  16.58mm semideep wide
11E  16.58mm deep funnel standard
12A4a  16.71mm shallow wide narrow
12A4  16.71mm shallow wide
12B4  16.71mm semishallow wide
12 16.69mm medium standard
13A4a  16.76mm shallow wide narrow
13A4  16.76mm shallow wide
13B  16.77mm semishallow standard
13C4  16.89mm medium wide
14A4a  17.09mm shallow wide narrow
14A4  17.09mm shallow wide
14A4x  17.09mm shallow wide open
14B  17.02mm semishallow standard
14C2  17.02mm medium narrow
14 17.02mm medium standard
15A4a  17.14mm shallow wide narrow
15A4  17.14mm shallow wide
15B  17.12mm semishallow standard
15 17.12mm medium standard
15C4  17.14mm medium wide
16 17.20mm medium standard
16C2  17.20mm medium narrow
16C4  17.20mm medium wide
17 17.33mm medium standard
17D4  17.33mm semideep wide
17D4d  17.33mm semideep wide expanded
18 17.52mm medium standard
18C3d  17.52mm medium standard expanded
19 17.65mm medium standard
20 17.78mm medium standard
20D2d  17.73mm semideep narrow expanded
22 18.03mm medium standard
24 18.29mm medium standard