A knife in your favourite colour! The GRS Delphin Knife is a light and easy-to-handle knife which belongs to the standard equipment of the artificial grass installer. This knife is well-known for its handy sleeve (holder), which can be attached to the belt. The GRS Delphin Knife is a highly efficient tool for cutting the artificial grass. Moreover, the blades are easily to replace. We also provide the Spare blades.