Medida	A	D	L2	L1	Pulg.
ø MM	MM	MM	MM	MM
5	5	8	70	110-170	3/16
6	6	10	90	140-220	1/4
8	8	14	120	180-280	5/16
10	10	16	150	230-360	3/8
12	12	18	300	420-650	1/2
14					9/16
16	16	26	250	370-590	5/8
18					3/4
20	20	30	300	420-650	3/4