UHPPOTE Z & L ZL Bracket Clamp For 180KG 350lbs Electric Magnetic Lock Inward Door Z & L magnetic lock special stent for access control system Special aluminum, firm and durable Special design, suitable with wooden door and metal door It is easy to install and convenient to use It is safe, reliable and efficient This is a Z &amp; L magnetic lock special stent for access control system Special aluminum, firm and durable Special design, suitable with wooden door and metal door The best choice of access control It is easy to install and convenient to use Material: High strength aluminum, sandblast finished Opening Mode: 90 degree door Suitable for Door: Wooden door and metal door Suitable for Lock: Magnetic lock series of 180kgs / 350lbs 1 x Z &amp; L Style Magnetic Lock Bracket 1 x Installation Accessories When the door frame thickness is less than 42mm / 1-21/32&#034;, L bracket is needed. For inward opening door, ZL bracket is needed.