স্পেসিফিকেশন	15	20	25	32	40	50	65	80	100
B	27.5	32	40	50	60	73	91	108	127
R	10	12.5	16	20	25	31.5	37.5	45	55
d	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2	5.2