The Screwcumber is an awesome product that does what it does well. Fantastic for holding down fresh veggies for all array of fish from Plecos to Mbuna to Apple Snails.
This product is 100% free of lead. It is instead made of high-quality marine-grade stainless steel.
A simple but practical, long-lasting piece of equipment that is popular around the world. Once you give it a go, you will wonder how you ever went without one!