The Powerslide HABS replacement inline skate brake pads are specifically made for the Powerslide HABS Brake Mount used on many Powerslide (and Doop) skates. 
 
When used with the HABS (Height Adjustable Brake) brake mount, one can loosen the screw that holds this pad and slide it up or down so that it engages how you like, and to prolong the pad life as it wears down.
 

• The Price is for One Brake Pad
• Compatibility: Powerslide/Doop HABS Brake Mount
• Sizing:
• One Size Fits All HABS Brake Mounts