Standard gardening tools have a straight handle which forces an awkward wrist position with less strength and more strain, but KLEVA tools have a 90-degree fulcrum handle ergonomically designed for perfect wrist alignment. This enables you to easily generate 25% more force than ...Standard gardening tools have a straight handle which forces an awkward wrist position with less strength and more strain, but KLEVA tools have a 90-degree fulcrum handle ergonomically designed for perfect wrist alignment. This enables you to easily generate 25% more force than you could with traditional tools without the strain, meaning less strength required to achieve more work!