Dörfler DBF20A contrabas strijkstok, 3/4, silver mounted, French style, pernambuco, achthoekDrfler DBF20A contrabas strijkstok, 3 4, silver mounted, French style, pernambuco, achthoek For Drfler's pernambuco bows only selected woods are used, which have been perfectly stored and dried for appromimately 30 years. Thanks to its, despite great hardness and density, excellent elasto mechanics this wood type is the first, or more even the only, choice for bow making of a high standard. Pernambuco wood comes from northern and central east Brazil.