Looks like it indents on the screw head and prevents the screw from loosening over time (the two protruding parts likely butt against something on the caliper body.
-LupusAlba- on
Never used that and never had problem with brake calipers
PromotionNo4121 on
Wow really if a person has to ask then they can’t read so there is no help !
3 Comments
Looks like it indents on the screw head and prevents the screw from loosening over time (the two protruding parts likely butt against something on the caliper body.
Never used that and never had problem with brake calipers
Wow really if a person has to ask then they can’t read so there is no help !