The release tool is inserted under the button of the tensioner jaw to disengage the anti-reverse device on the slack adjuster.
5/16" ratchet size with double square offset reversible spanner
Fork end tool keeps the anti-reverse pin released during adjustment
No more risk of prying and damaging the anti-reverse device
Ratchet spanner provides more power
Reversing mechanism on the slack adjuster. (The spring tension of the pulling pawl holds the tool in place. (The spring tension of the pulling jaws will hold the tool in place). A spanner is then used to adjust the brake to drum clearance.