Comfortable grip is designed to ease hand fatigue.  This scraper has been a top seller for years and now has been updated with the ergo grip design.  The scraper blades are single edged and are available in packs of 10 replacements. Features new Ergo-Tec tool lock that will securely lock onto the Unger pole end.  This will prevent the tool from inadvertently falling off of your Unger pole. While the scraper will work with the older style Unger locking cone, the tool requires the new style locking cone for the lock to function