Store › Springfield Spring-Lock Replacement Locking Latch [2100011] Springfield Spring-Lock Replacement Locking Latch [2100011] $16.99 Spring-Lock™ Replacement Locking LatchSpring-Lock™ post base locking mechanism replacement latch. Add To Cart Added! Spring-Lock™ Replacement Locking LatchSpring-Lock™ post base locking mechanism replacement latch.