The patented Servo design allows a line to cleat with only slight downward pressure. The line does not have to be trimmed into the cleat, meaning you do not have to ease before cleating. Molded jaws have stainless steel reinforcements, which increase holding power and durability. Especially suitable for use with slippery new high-tech lines. Mounting fasteners included with both size cleats. The SV11 comes with an optional wire fairlead.