TSS Lockable Sash JammersLockable sash jammers restrictor sash blockers are an easy way to further secure your home, they are also recommended by insurers.Easy to install, simply 2 screws and it's done.These sash jammers are supplied with x2 packers and a key.Suitable for inward and outward opening UPVC windows.Easy to operate, simply twist and then lock with the key.Screws included.Screw centres: 40mmWidth: 20mmLength: 60mm.
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