Trend Snappy Drill Bit Guide Set - for No6, 8 & 10 Gauge Screws|The essential drill bit guide set for all common countersink sizes from N06 to No10 gauge, complete with No2 Philips and No2 Pozi 50mm long screw driver bits|Makes perfectly centralised pilot holes when fitting countersunk hinges and other ironmongery.|Eliminates any problems of off set screws, misalignment of fittings or screwheads sticking up, for professional, consistent flush fitting results every time.|Makes the correct sized pilot holes for any fitting that requires No6, 8 or 10 gauge screws.|Direct fit to Trend Snappy Chucks for fast, efficient working practice and quick swaps between accessories.