PRECISION STRUCTURE. SUPERIOR BOND. Revolutionize your speed with our Technology Series. These lashes feature a twisted flat-base design that "hugs" the natural lash for elite retention. Available in .07 diameter in C and D curls. Choose from standard 16-line mixed trays (7mm–15mm) or our specialized 3-Size Mix Trays (7-9mm, 10-12mm, and 13-15mm) for targeted styling.