Model: 4080W Aluminum Extrusion Profile, T-Slot. EU Standard Material: Aluminum 6063-T5 Finish: Anodized Measurement System: Metric, Imperial Manufacture Information: N/A, China Notes: Please Read: Order Custom-Cut Length, before ordering custom-cut length items. Aluminum Profile Tapping service is also available. See options. Metric standard tapping on extrusion end-side, thread size will be based on extrusion profile.