Keeps the hatch closed tight.
Good finger access to the "t shaped knob which is rigidly mounted to stay in position and out of trouble.
The stop, mounted on the hatch frame, is small and rounded to minimize snagging of sails, gear, and the crew.
This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov