Pro Series Magnetic Lock Bracket
https://www.tamkeen-itc.com/shop/ds-k4h250-lz-o-std-pro-series-magnetic-lock-bracket-23567
https://www.tamkeen-itc.com/web/image/product.template/23567/image_1920?unique=9667aaf
LZ：LZ-Bracket of Magnetic Lock, for DS-K4H250S/D.
U: U-Bracket of Magnetic Lock, for DS-K4H250S/D.
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