Double arch bricks

Technical data

Item	Dimensions, mm					Volume, dm³
	a	b	h	l	r
1X4	66	62	230	230	3680	3.39
1X6	68	62	230	230	2450	3.44
1X10	69	59	230	230	1405	3.39
1X16	72	56	230	230	835	3.39
1X24	76	52	230	230	520	3.39