🔐 Lock in your safety with style! White powder-coated finish complements any decor. No batteries needed; just twist to lock or release. Fortify your home with 8 robust T-type locks. Flick on/off for instant peace of mind. Weighing only 370g, but built to last. Durable Build High Security Easy Installation The Ruilasago 8X Sash Jammer is a pack of 8 high-security locks designed for uPVC windows and doors. Made from strong zinc cast alloy with a durable white powder-coated finish, these locks provide extra security while being easy to install and operate. Each lock weighs 370g and requires no batteries, making them a practical choice for enhancing your home’s safety.