Kesseböhmer FREEslide Torsion Bar - 18 5/8 inKesseböhmer FREEslide White Cover CapKesseböhmer FREEslide Gray Cover CapKesseböhmer FREEslide Lift System - 18 3/8 to 23 5/8 inKesseböhmer FREEslide Lift System - 18 3/8 to 23 5/8 inKesseböhmer FREEslide Lift System - 15 3/4 to 18 1/4 inKesseböhmer FREEslide Lift System - 13 7/8 to 15 3/4 inKesseböhmer FREEslide Lift System - 13 7/8 to 15 3/4 inKesseböhmer FREEslide Lift System - 13 7/8 to 15 3/4 inKesseböhmer FREEslide Lift System - 12 5/8 to 13 7/8 inBlum AVENTOS HL Lift Mechanism Set (18.2 lb - 44 lb)