This heavy-duty grinder is a amazing kitchen tool. It��s with a model that connects to your table easily. Suitable for milling powder， twisting chilli sauce， making noodles， mincing meat， irrigating sausage， etc. Instructions: Main body: Aluminum Alloy (the outer layer of galvanized) Material knife and cutting knife: Stainless Steel Size: Approx.15*14 cm (Length* Height) Grip Length: Approx.17cmUsage tips:1. Clean the grinder first and install it completely before using. 2. Fix the grinder on a chopping board or a bench， the maximum thickness of the installation gap is around 5cm， wind up the screws at bottle of the grinder， clamp the chopping board firmly.