The GRS Nadenspanner is also referred to as a tensile tensioner and is the big brother of the GRS Knee tensioner.The GRS Nadenspanner is also used for pulling artificial grass seams together and removing folds artificial grass, especially with large patches of artificial grass. The two tensioning heads are each equipped with both fine and coarse teeth. The tensioning head has a special tension locking device and thus the seam tensioner works very effectively. The GRS Seam Tensioner can also be used to lay the seams of artificial grass against each other.
