Hornbostel-Sachs number: 421.111.11 Open single end-blown flutes without fingerholes; A. Length: 106mm (3.9in), Diameter: 9mm (0.1in); B. Length: 116mm (4.3in), Diameter: 9mm (0.1in); C. Length: 120mm (4.7in), Diameter: 9mm (0.1in); D. Length: 124mm (4.7in), Diameter: 9mm (0.1in); E. Length: 139mm (5.1in), Diameter: 9mm (0.1in); F. Length: 154mm (5.9in), Diameter: 10mm (0.4in); G. Length: 154mm (5.9in), Diameter: 9mm (0.1in); H. Length: 160mm (6.3in), Diameter: 9mm (0.1in); I. Length: 187mm (7.1in), Diameter: 10mm (0.4in); J. Length: 184mm (7.1in), Diameter: 10mm (0.4in); K. Length: 183mm (7.1in), Diameter: 10mm (0.4in); L. Length: 186mm (7.1in), Diameter: 12mm (0.4in); M. Length: 241mm (9.5in), Diameter: 12mm (0.4in); N. Length: 254mm (9.8in), Diameter: 12mm (0.4in); O. Length: 262mm (10.2in), Diameter: 12mm (0.4in); P. Length: 291mm (11.4in), Diameter: 13mm (0.4in); Q. Length: 359mm (13.8in), Diameter: 10mm (0.4in); Place of production: Upington (South Africa)