It is made according to customer's drawing. Vertical side:3025×1200mmBase side:1200 × 1000mmT-slot open-top:22mmT-slot pitch: 175mm

All the standard size are in store and the special size or design can be made as your requirements.The specifications of the standard size as below:

Typemm	Perpendicularity betweenadjacent measuringsurface			Flatness and straightnessof measuring surface			Flatness and straightnessof datum surface
	Precision Grade (μm)
	1	2	3	1	2	3	1	2	3
200 × 200	8	16	30	4	8	16	6	12	24
300 × 200	10	20	40	5	10	20	8	16	30
300 × 300	10	20	40	5	10	20	8	16	30
400 × 300	12	24	45	6	12	24	10	20	40
400 × 400	12	24	45	6	12	24	10	20	40
500 × 400		28	50		14	28		24	48
500 × 500		28	50		14	28		24	48
800 × 600		35	60		18	35		28	55