
A bigger lever is one of the cheapest simplest ways to apply more force... make sure you use the Low-Risk techniques in our book to clean and loosen the target before you do that though.

KIRXST 3/4" Drive Breaker Bar, 1040 mm Power Breaker Knuckle Bar, Flexible Handle Breaker Bar, Extra Long 1040mm(1 Metre) Drive Extension Breaking bar, Black
4.0

MAXPOWER Breaker Bar 900mm, Breaker Bar Flexible Handle with 3/4" Square Drive, 36-Inch/900mm
5.0