A razor blade is too wide to use across the top or up most A-pillars, but it is ideal to use across the bottom. The nice thing about this tool is that you pull out the old blade, put a new one in and you are ready to go again, no sharpening needed.
EQUALIZER WIDE PINCHWELD PREPARATION TOOL ,URETHRANE, WINDSHIELD-SC170
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42PCS Professional Auto Glass Pinchweld Scraper Tools, Windshield Scraper tools
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