Here we have the new and innovative Window Jamming device from SASHSTOP. The product has been developed for ease, and convenience whilst offering security and reassurance to the end-user. It is often referred to as the underarm, or under-handle 

The Window Jammer is a very easy to use and install product, as it is based on the same idea of an internal sash jammer. Here are the stages to install the SASHSTOP Window Jammer:

1. Remove the screws from the handle
2. Sit our Window Jammer under the handle
3. Replace the handle into position
4. Screw the handle back into place

As with the SASHSTOP range, we try and build versatility into our products, and we have found through testing that the Window Jammer has a number of features:

We do include plastic button pads and striking plates (with self-adhesive foam pads), so you can address and ensure a nice “snug” fit for various sizes of window frames.

This particular product is a SINGLE item and is the colour of Chrome.