VERY SIMPLE AND EFFICIENT TOOL. YOU MUST APPLY A SMALL PRESSURE WITH YOUR FINGERS TO OPEN OR CLOSE IT BUT WHEN IT IS IN PLACE IT WILL PUSH THE PISTON LIGHTLY. ALL MAJOR AUTO PART STORES WILL ALLOW YOU TO TAKE YOUR TOOLS BUT YOU MUST PAY A DEPOSIT AND THEN RETURN THEM. THIS TOOL IS AFFORDABLE AND DOES THE JOB.
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