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20-4040 | 40mm X 40mm T-Slotted Profile - Eight Open T-Slots
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80/20 Extrusion, T-Slot, 15S, 72 In L, 1.5 In W 1515-S-72 | Zoro
SANTIE 1 PCS T Slot Aluminum Profiles 40mm x 40mm with 8mm T-Slot Cut to Length 200mm,Silver 4040 Aluminum Extrusion Profile European Standard Linear Rail 4040 Aluminum Profile: Amazon.com: Industrial & Scientific
Supplying Frames Black Anodized T Slot 4040 Aluminium Profile - China Aluminum Extrusion Profile, Building Material | Made-in-China.com