LUXA2 L1 Notebook/Laptop Lift- LL0001. For MacBook 13", MacBook Air 13", MacBook Pro 15", MacBook Pro 17". Easy motion tilt technology - The tilt mechanism lets the L1 move naturally between postures, from upright to reclined. Durable Aluminum. Heat-pipe ventilation - With dual heat-pipes integrated, L1 enhances superior heat dissipation by providing direct heat conduction.