The RCBS Quick Change powder Funnel kit is a great Funnel kit for a reloader looking to have one kit that will cover most of their reloading needs. The included adaptors work with virtually every case from the 17 Remington to the 500 S&W Magnum and are uniquely supported by the body of the case. Features: - 5 adapters specifications: - Material: plastic - drop Tube length: 4 inch adaptors included: - .17-.20 caliber - .22-.264 caliber - .27-.284 caliber - .30-.375 caliber - .40 caliber and higher.