Specially for those with a lot of cutting to do there are the Premium secateurs with comfortable power transfer, precision-ground non-stick blades, adjustable blade pre-tension and permanent spring.  The ergonomic handle with the soft insert on the top acts together with the sliding lower handle and the easy-on-the-wrist 30 degrees cutting angle for perfect handling.  The secateurs are suitable for both right and left handers. cutting up to 22 mm for stub-free and fast-healing cuts.  Blade lever can be changed.