![DoorJammer : Lockdown DoorJammer : Lockdown](https://cdn11.bigcommerce.com/s-l1r88x05ri/images/stencil/500x659/products/113/381/LD1__47632.1569590807.png?c=2)
DoorJammer : Lockdown
A convenient keyring set of spacers to insert in the gap above the door - four sizes are provided.
Spacers are optional and use is not required for DoorJammer to perform as intended, however spacers can provide extra strength in frames with a large gap.
Choose the largest spacer that fits tightly but if too much force is required, select the next size down.