The Autocomb is a manual WDT tool that is quick and efficient for distributing espresso grinds. The Autocomb consistently distributes the coffee grounds into a fluffy and homogenous mass which will be ready for tamping regardless who uses the tool. Product Details: Needle depth is adjustable for all baskets up to 25g, tool-free. Compatible with almost every popular 58mm basket and portafilter (see details below). Needles can be removed and/or replaced easily by hand. You can drop it on the bench or bash it onto a portafilter without concern. No wrist twisting or RSI-inducing movements. Comes with heaps of spare needles. All moving/sliding parts are excessively over-engineered. All components are removable and user-replaceable with allen keys (supplied). Made from anodised aluminium, impact resistant ABS, acetal, and stainless steel.