JBF National latch strikes are manufactured from the highest quality materials. They are designed and tested for ultimate reliability and durability. SK-4200 is manufactured from either clear zinc plated steel or clear passivated stainless steel. Please see component diagram below.

JBF National Part NumberMaterial / Finish
SK-4200-ST-CZ-128Steel / Clear ZincĀ 
SK-4200-SS-CP-128Stainless / Clear PassivatedĀ