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Title: This is a junk tool
Review: I bought GH1000 and had to return it after first (!!!) use. GH600 seems to have the exact same two problems:1. The metalic shaft sways freely left and right. It's loose at the button that allows to change from horizontal to vertical orientation. Top of the shaft would sway just a little bit, but head (the far part with the string) would sway much more, in sudden jumps, making straight cut very hard to do, keeping me in great tension all along. I checked more B&D; GH trimmers at the store - all had swaying shafts. Beware.2. As many others have noted, the string melts in the casing and then feeds too fast, and then none at all
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