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. Drop Tube Length:4" Features: Comes with 5 adapters Adaptors Included: 17-20 caliber22-264 caliber27-284 caliber30-375 caliber 40 caliber and higher