The WDT Tool with Stand is the perfect espresso distribution tool. Featuring the Weiss Distribution Technique, this tool helps create a superior and consistent espresso extraction. The preconfigured 9 pins spread out strategically for efficient stirring. The included pins are made of food safe stainless steel and are 0.4mm in diameter. This gives the perfect combination of rigidity and flex allowing you to break up clumps for a smooth extraction. We also give you additional set of 0.25mm needles if you want to try the soft flex needles. Our WDT has 3 strong magnetic points that you can use to attach to any steel espresso machine. Highlights 9 Needles Spread Out Strategically Uses 0.4mm diameter stainless steel needles for perfect combination of rigidity and flex. 9 needles spread out strategically for efficient stirring. Additional Set of 9 Needles With 0.25mm Diameter If you prefer soft flex swap out and use included 0.25mm diameter needles. 3 Magnetic Points: Our WDT has 3 strong magnetic points that you can use to attach to any steel espresso machine. Uniform & efficient stirring: This WDT tool works really well to keep the coffee grounds from clumping and for a smoother coffee.