S42 type for Non-ferrous strip stretching dies
Type	Basic dimension
	D	H	a	b	h
42-	20	12	1.0~1.9	1.9~3.1	2.0
	25	15	1.0~3.9	3.9~6.2	2.5
	35	18	1.1~4.9	7.2~11.4	2.5
	45~60	20	1.4~5.9	12.8~31.0	3.0