Pro-Lok’s grey rubber wedge is made from heavy-duty, non-marking high graderubber to assist in expanding openings in order to unlock vehicles. 5″L x 1-15/16″W with a 3/4″ gap opening size Replacement Part: PRL25 This part is also included in the 16 piece premium lockout kit AK92 Length: 4.5″ Width: 2″ Height: 1.25″