STURDY ALLOY M ERIAL:Lock ha p with key i ma e of very tur y chrome plate alloy material, mooth an urable,corro ion re i tant an anti-ru t. CONVENIENT DESIGN:With automatic knob hi en lock,You ont nee to u e key to lock,ju t rotate it for 90 egree ,an then the lock i one very convenient. Ha p oor lock ha very mooth urface,which can protect your han . IMPROVE SECURITY:After in tallation,the fixing crew are all completely conceale un er the buckle.It avoi e truction an theft,improving the y very well. EASY TO USE:Ju t crew the crew into the place you nee .The buckle i very flexible,ea y to open an clo e.You can rotate lock button irectly to lock without key . WIDELY USED:You can get 3 PCS pa lock latch lock an 18 PCS crew ,each lock ha 2 piece of key .It can be wi ely u e at in oor an out oor , uch a rawer,cabinet,box, torage container, gar en gate, he ,etc.