The Safety 1st Side by Side Cabinet Lock helps keep cabinets off limits to little ones. Lock stays on door knobs/ handles when cabinet is open. Can be used on knobs or handles. SecureTech visual locking indicator. No drilling required. Sleek modern design blends in with home decor. Lock stays on door knobs/ handles when cabinet is open. Can be used on knobs or handles. SecureTech visual locking indicator No drilling required. Sleek modern design blends in with home decor.