"First insert used split when being screwed into the fitting. The second one was ok, but all efforts wasted because the "wood" was not real wood, but some fibre composite(cheap Indian rubbish). The inset was pulled out in use because the fibres were weak and couldnt take a screw. Looking forward to using the fittings on a real wood fitting!!!!"
"These fasteners are easy to use and provide a secure joint (certainly very secure in hardwood) with only one hole to be filled or plugged. It would be nice if Screwfix could also stock an M8 version which might be more suitable for heavy furniture and balustrades."