Kihappy Labour-Saving Pruning Shears Tree Trimmers Hand Pruner Tool Manual Garden Scissors with SK-5 Steel Blade Application: Specially suitable for brass & twigs & flowering branch. Easy Action spring-action design gently opens blades after each cut to reduce hand strain Provincial effort Spring design, Convenient safety switch lock Ergonomical & Comfortable Design Heat treated and hardened carbon steel blades are ultra strong, will last longer and are less likely to nick or need frequent sharpening.