基本尺寸			型號
			Model
d[mm]	D[mm]	B[mm]
30	37		MFJ-3016
30	37		FJ-3016L
30	37		MF-3026
30	37		F-3026
30	37		MFJ-3026
30	37		FJ-3026
30	37		MF-3020
30	37		F-3020
30	37		MFJ-3020
30	37		FJ-3020
28	35		MF-2826
28	35		F-2826
28	35		MFJ-2826
28	35		FJ-2826
28	35		MF-2820
28	35		F-2820
28	35		MFJ-2820
28	35		FJ-2820
28	35		MF-2816
28	35		F-2816
28	35		MFJ-2816
28	35		FJ-2816
25	32		MF-2526
25	32		F-2526
25	32		MFJ-2526
25	32		FJ-2526
25	32		MF-2520
25	32		F-2520
25	32		MFJ-2520
25	32		FJ-2520