基本尺寸			型号
			Model
d[mm]	D[mm]	B[mm]
17	23		MFJ-1716
17	23		FJ-1716
17	23		MF-1712
17	23		F-1712
17	23		MFJ-1712
17	23		FJ-1712
18	24		MF-1816
18	24		F-1816
18	24		MFJ-1816
18	24		FJ-1816
18	24		MF-1812
18	24		F-1812
18	24		MFJ-1812
18	24		FJ-1812
15	21		MF-1514
15	21		F-1514
16	22		MF-1616
16	22		F-1616
16	22		MFJ-1616
16	22		FJ-1616
16	22		MF-1612
16	22		F-1612
16	22		MFJ-1612
16	22		FJ-1612
15	21		MF-1516
15	21		F-1516
15	21		MFJ-1516
15	21		FJ-1516
15	21		MF-1512
15	21		F-1512