1,Good price ,high quality 2,No screws ,easy to install 3,1200pcs /40HQ 1,Single locker with no screw ,installation within 3 minutes2,Good price as the save of the material for the instruction3,1250pcs/40HQ4,We have export a large quantity every month ,fist-products 5,Color optional ,with RAL number will be more exactly .6,Free for sample Single locker