Blister of 1 technical wood drill bit graduated diameter 6 mm, for quick and accurate drilling. Fast and accurate drilling of hard wood on the deck: thanks to the quality of its HSS steel and its unique and original "SPEED POINT" sharpening. Long lifespan: thanks to its thermal treatment and "GOLD" coating. Optimum shavings evacuation: thanks to its wide specific S. Maitrise depth: thanks to its laser graduation, this patented technology helps control the depth during drilling.