1.Professional manufacturer with CE and ISO 2.no bubble,no scrape,clear. 3.All kinds of slides 4.OEM is available 7101 ----ground edges, 1"x3", thick 0.8-1.0, 1"x3", thick 1.0-1.2 7102 ----unground edges 7103-----Single concave, ground edges 7104-----double concave, ground edges 7105-----Frosted one end on one side, ground edges 7105-S--Frosted one end on one side, unground edges 7106-----Frosted ...