1.Perfect Size: Music stand length:49.5CM (19.5 in).Height: 22.5cm (8.9 in). Support stand width: 7cm (2.8 in). 2 support intervals: 35.2cm (13.9 in).Sheet music clip size: 5.9 inches x 0.8 inches. 2.The music stand is compatible with Yamaha EZ 220YPG 625YPT 260.255.240,210.370.360.410.640PSREW 300.310.410PSRSX 600.700.900PSRE 473.453.443.433.423.373.363.353.343.333.273.263.253.243.233.223.463.KBP 2100, 1100DGX 640,620.520.220.230,300,205(Does NOT fit DGX650.DGX660!)P 35.45.48.71.125(Does NOT fit P70.P95.P105.P115.P120.P515!)PSRS 970,950,770,750,670,650,550,450,775,975KB90.290.291.281.280.191.190.181.180.308.309.208PSR 150.400(Does NOT fit PSR240!)PSRE213.E233.E303.E423.E473Compatible With Roland digital pianos,FP 10. FP30 Compatible With Casio pianos, L10.WK 3000. 3.Meanwhile.It is ok for If the inner width is less than 35.2cm / 13.9 in, and the outside width is more than 49.5 cm / 19.5 in. If the two requirements can't be met at the same time, it will not be compatible!!! For fullslot models, slots width is than 49.5 cm (19.5 in) can be used!!! 4.Note!!! Please measure the size of your piano's music stand card slot, and refer to the exact size of this product before purchasing. If the size is not suitable and the is caused, the company will not bear the postage cost.