... 4.Various sizes avaible 5.OEM service offered Features of automatic aluminium sliding window lock, aluminium sliding window latch N2027: ... A6063-T5 aluminium3.Finish:powder coating, painting, anodizing, etc...4.Color: RAL9010, RAL9010, RAL9005,RAL8014, RAL1015, etc....as per request5. ... 30X30X20cm6.OEM service offered7.Best after-sales office Various automatic aluminium sliding window lock N2027