Push to open slide,single extension slide,push drawer Passed SGS test for 50,000 open-close Seft-lock closing adjustable LENGTH:300/350/400/450/500/550/600mm.COLOUR:ZINC.LOAD:30KGS/450mm(18").Wood drawer.Features:Press the drawer once, then it will automatically come out, push the drawer inwards and press it once, then it will be easily locked. It is not necessary to install any drawer pull.Packing: 20 sets/casePush slide,two fold slide,push drawer,Pass SGS test for 50,000 open-close.