Specially designed locking pliers assist in the removal of brake caliper pistons during service or rebuild. Simply insert the uniquely shaped extensions on the pliers into the pistons then squeeze the handles on the pliers to lock them into place. Once clamped in place, simply pull the piston out of the caliper. For use with 5/8 inch to 2-1/4 inch diameter pistons. Durable materials ensure quality performance over the lifetime of the tool. 1 year limited warranty. 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.