LiquidFix Door, Lock, and Hinge Lubricant | 4 oz Dropper + 0.5 Needle Combo Pack – Door & Sliding Long-Lasting Squeaky Oil for Hinges Glass Doors

Customers find the lubricant works effectively on doorknobs and hinges, reducing noise by about 80% and getting into hinges and locks with ease. The product receives positive feedback for its quality, ease of application, and value for money, with one customer noting it's better than WD40. The needle applicator is appreciated, and while sliding resistance is generally positive, one customer reports issues with sticking parts.