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【Heavy Duty & Invisible Z Bar】: 6 inch cleat can supports up to 80 pounds, you can install 2 set Z clips for more secure mounting. Heavy duty Z hanger is 3mm thick, aluminum alloy, durable, anti-corrosion, anti-rust. The screw holes on the bracket have a sinking effect, completely hiding the screws in it, make your favorite decoration more beautiful, no blemish.
【Efficient Design】: Good Inter-locking leave no gap between cleats so you can hang heavy duty frame or shelf. Interlocking hang buckles very nice for wood wall decoration, you can change your design easily, create a new look wall art for home from time to time. The flush mount brackets are reusable.
【Easy to Use】: Simply attach the two shackles in opposite directions (up and down) to the wall and to the item, then insert them into each other. In addition, with this interlocking flush mount clip, things can be removed or hanged from the wall at any time.
【Wide Application】: The interlocking hangers are strong cleats which can be used to hang heavy duty photo frame, poster, panels, mirror, oil painting, artwork, wall clock, shelf, rack board, cabinet, whiteboard, garage tool etc. It can also be used as a buckle to connect the headboards, sectional sofas and other furniture. Multiple bars can be used to spread load.
【What You Get】: 2 pairs concealed mount bracket include 4 pieces self-tapping screws X 4 pieces self drilling screw X 4 pieces expansion rubber plugs. Multi-purpose furniture connector size: 150mm x 32mm x 6mm overall depth (6 x 1.26 x 0.24 inch L x W x Depth).

KAIISSA heavy duty interlocking concealed hook flush mounting bracket Z hangers are often used by professional installers to hang heavy duty pictures and mirrors. The interlocking aluminium bars provide a secure fixing and spread the load over the wall.

Features:

High polished surface. Smooth surface without burrs.

6 inch interlocking wall mounting bracket can supports up to 80 pounds, and can install 2 set hooks for more secure mounting.

Easy install and easy to use.

Specifications:

Material: High strength aluminum alloy

Dimension: 150 x 32 mm / 6 x 1.26 inch

Thickness: 3 mm / 0.128 inch

The Cleat Hanger Kit include:

2 sets French Cleat Aluminum Z Clips

4 pcs short screws to attach to art

4 pcs long screws to attach to wall

4 pcs plastic expansion pipe

Pro Tip: Take time to make sure the cleats are level on the wall and your art. The elongated screw holes allow for minor adjustment during installation.

You may need a level ( I personally download one from mobile application)