Brake Caliper Press Tool, Brake Caliper Tool Spreader, 4 in 1 Universal Disc Brake Caliper Compression Tool Ratchet Piston Spreader Automotive Tools for Car Brake Repair Installation Blue. 【EASY TO USE】 Swing the handle of the caliper piston compressor tool to expand and retract the spreading plates, and the positive and negative regulation is realized by flipping the reversing switch in the ratchet.
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