4 piece letter box tension wrench set. Reaches through letter box style lever locks to apply pressure to the sliding bolt at the rear of the lock.
NOTE: U.S. Postal Regulations prohibit shipping lock picks, lock bypass tools, or impressioning tools by US Mail. These items must ship by UPS. Therefore, we are not able to ship this item to PO Boxes, addresses outside the US, or to APO, FPO, DPO addresses.