Fits .41 Magnum S W 57 and 58. Ruger 41 magnum With one slight twist, the HKS Speed Loader instantly leads all six cartridges into nearly any revolver. Strong metal points hold cartridges securely in the loader until you release them into the revolver with a turn of the speed loader knob. ATTN: BRAZIL CUSTOMERS Brazil's national postal service, Correios, has announced that, as of January 1st, 2020, all international parcels that arrive in Brazil must include the customer's CPF ? the Brazilian individual taxpayer's registry identification ? or any other valid document, such as the CNPJ (company fiscal number) or passport. WITHOUT THE CPF WE WILL NOT SHIP THE ITEM ATTN: BRAZIL CUSTOMERS Brazil's national postal service, Correios, has announced that, as of January 1st, 2020, all international parcels that arrive in Brazil must include the customer's CPF ? the Brazilian individual taxpayer's registry identification ? or any other valid document, such as the CNPJ (company fiscal number) or passport.