... Best Price 3)OEM Mould Design,quick sample 4)Verious Size 1/4" Aluminum Groove - 6063 alloy, mill finish ... . T52 temper Specification:Material: Alluminum Alloy: 1x,2x, 3x, 4x, 5x, 6x, 7x seriesTemper: O, T1, T4, T5, T6 ... line includes: Aluminum Extrusion/profile, Aluminum Plate, Aluminum Radiator/Heat sink, Aluminum Tubes/Pipes/Bars, Aluminum Sheets, Aluminum Edging/Strips/Casting ...