Simplified sinus lift procedure. Easy opening of the lateral window. Kit contains Point Trephine Burs 0.5mm x 1, Lateral Trephine Bur 1mm x1 & 1.5mm x 1, Window Opener 1.7mm, Express Bur 2/4/5/6/8/10 Marking x 1, Membrane Elevator Ø7.0, 3 x 1 and Membrane Elevator 2.8 x 1. Kit: Point Trephine Bur ø 7.5, 0.5mm; Lateral Trephine Bur ø 7.5, 1mm; Lateral Trephine Bur ø 7.5, 1.5mm; Window Opener ø 7.5, 1.7mm; Express Bur ø 7.0, 2/4/5/6/8/10 Marking; Membrane Elevator ø 7.0, 3; and Membrane Elevator ø 2.8