Abas iguais
	Código	Polegadas		Milímetros
		A	e	A	e
	L1/2	1/2		12,70	1
		1/2	1.16	12,70	1,58
	L5/8	5/8		15,87	1
		5/8	1.16	15,87	1,58
	L3/4	3/4		19,05	1
		3/4	1.8	19,05	3,17
		3/4	1.16	19,05	1,58
	L1	1		25,40	1
		1	1.8	25,40	3,17
		1	1.16	25,40	1,58
	L 1 1/4	1 1/4	1.8	31,75	3,17
	L 1 1/2	1 1/2	1.8	38,10	3,17
		1 1/2	3.16	38,10	4,76
	L2	2	1.8	50,80	3,17
		2	3.16	50,80	4,76
		2	1.16	50,80	1,58

	Abas desiguais
	Código	Polegadas			Milímetros
		A	B	e	A	B	e
	L 1 x 1/2	1	1/2	1.8	25,40	12,70	3,17
		1	3/4	1.16	25,40	19,05	1,58
	L 1 1/2 x 3/4	1 1/2	3/4		38,10	19,05
	L 1 1/2 x 1	1 1/2	1	1.8	38,10	25,40	3,17
	L 1 x 3/4	1	3/4	1.16	25,40	19,05	1,58
	L 2 x 1	2	1	1.8	50,80	25,40	3,17
	L 2 x 3/4	2	3/4	1.8	50,80	19,05	3,17
	L 30 x 1/2		1/2	1.16	30	12,70	1,58
	L 30 x 19			1.16	30	19	1,58