Plastic replacement thumb lock used in various hatches made by B&B Molders. The hole for this lock can be no larger than 7/8" I.D. and at least 3/4" I.D. Press in lock, which uses built-in spring-loaded tabs to hold the lock in place. The blade is 3/4" wide by 1-1/2" long and is non-removable.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov