Road Case Spring Loaded , 4 Pack Heavy Duty Recessed Butterfly Twist Catch Case
Recessed Butterfly Twist Lock, Recessed Depth: ½" (12 mm), for Box Thickness: >¾" (20 mm). It is waterproof and rust-proof, making it perfect for outdoor use. Size Recessed Depth: ½" (12 mm), for Box Thickness: > ¾" (20 mm).