The EN-400 Electric Strike, with all stainless steel construction, combines eye-pleasing design with premium power and quality. This powerhouse unit is UL tested with a capacity to exert an amazing full ton of holding power and the durability to withstand at least one million life cycles! Its innovative design allows for convenient left or right-handed field adjustment in just minutes. Its good looks are accentuated by installing flush with jamb face. Cavity measures 7/8 D x 1-1/2 H x 3/4" W. A perfect choice for the discriminating buyer.