Protection Locks for Child Proofing Product Features ❆ APPLICATION RANGE: Please measure the stove knob before purchase,otherwise it may can’t be used.The distance between two nearest stove knobs should better than 3.94″”(≥10cm);the height of stove knob should less than 1.96″(≤5cm);the diameter of stove knob should less than 2.56″(≤6.5cm). ❆ SCIENTIFIC DESIGN: Parents can open...