Type	Dimension(mm)
	i	t	s	r
PMB5	5	3	2	2
PMB6	6	4	2.5	2.5
PMB8	8	5	3	3
PMB10	10	6	4	4
PMB12	12	8	5	5
PMB16	16	10	6	6
PMB20	20	12	7	7
PMB25	25	14	8	8
PMB32	32	18	10	10
PMB40	40	22	12	12
PMB50	50	25	14	14