: This is a Z & L attractable interlock particular stent for access hold back system particular aluminum, fixed and serviceable particular design, right with woody door and metal door The best choice of access hold back It is well-off to install and accessible to use Specification : Material : squeaky strength aluminum, sandblast terminated Opening Mode : 90 degree door right for Door : woody door and metal door right for Lock : attractable interlock series of 180kgs / 350 lbs Package : 1 x Z & L Style attractable Lock Bracket 1 x Installation Accessories .