Grass shears differ from pruning shears

Pruning shears

Pruning shears, also called hand pruners , or secateurs are a type of scissors for use with plants. They are strong enough to prune hard branches of trees and shrubs, sometimes up to two centimetres thick...

 in being long-handled and having the handles at right-angles to the blades. They can be used to cut grass from a standing position. Two kinds are available: with the blades horizontal and with the blades vertical. Horizontal blades are used to remove grasses which have not been cut by the lawn mower

Lawn mower

A lawn mower is a machine that uses a revolving blade or blades to cut a lawn at an even length.Lawn mowers employing a blade that rotates about a vertical axis are known as rotary mowers, while those employing a blade assembly that rotates about a horizontal axis are known as cylinder or reel...

. Vertical blades are used for trimming the edges of a lawn.