Stone Baskets Allwin’s Stone Baskets are intended to allow physicians to grab on and release kidney stones. Nitiflex Nitinol Stone Basket(Flatwire) Nitiflex Nitinol Stone Basket(Helical) Grabit Stainless-Steel Stone Basket(Flatwire) Grabit Stainless Steel Stone Basket(Helical) Trapper No Tip Nitinol Stone Basket Maestro Nitinol Tipless Stone Basket Elite Stone Retriever Graspit Three – Prong Grasping Forcep U-Perc Nitinol Stone Basket