OTCs Brake Caliper Spreader quickly and easily retracts pistons on most caliper styles, making for a trouble free pad replacement process. Fits calipers designed for 1/4 inch thick brake rotors commonly found on motorcycles. For all front and some rear disc brakes. Operating range is 1/4 inch (5 mm) to 2-1/4 inches (58 mm). In addition to motorcycles, this spreader will work for all automotive applications that fall within its 1/4 inch to 2-1/4 inch operating range. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it’s a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians’ productivity and shop profits.