Specifications Square/rectangular prism

1.Material:k9 glass

2.Dimension:2-300mm

3.S/D 60/40;40/20;20/10

4.Angle tolerance:30''

Square/rectangular Prism ? ? ? ? Material:k9 glass Size:2mm to 300mm Surface quality;40-20 or better Flatness:1/4lambda or better Angle tolerance:+/-30 seconds Dimension tolerance: 0.1mm Angle tolerance: 5'-10' Bevel: 0.2-0.4mm per 25mm ? ? ? ? Welcome your inquiry and sample order! ? ? ? ?? ?Sunday confirm as following: ? ?1.Qualified products ? ?2.Favorable Price ? ?3.Fast delivery time ? ?4.Good and safe package. ? ?5.Best after-sales service. ? ? ? ? ? ? ? ? ? ? ? ? All for customer,welcome your cooperation! ? ? Our Working ?