The Preston 4mm Riddle is engineered for seamless compatibility with Preston and Sonubaits 18L buckets. Constructed from durable, impact-resistant plastic and premium stainless steel mesh, this riddle delivers reliable performance for sifting and sorting bait and groundbait. The robust build ensures long-lasting use in demanding fishing conditions, while the 4mm mesh size provides precise separation. A practical essential for anglers who demand quality equipment that withstands regular use.