Chiavi a forchetta doppia Beta 55

6X7 mm. (8014230021607), 8×9 mm. (8014230021638), 10×11 mm. (8014230021669), 12×13 mm. (8014230021706), 14×15 mm. (8014230021751), 16×17 mm. (8014230021775), 18×19 mm. (8014230021799), 20×22 mm. (8014230021812), 21×23 mm. (8014230021829), 24×26 mm. (8014230021850), 25×28 mm. (8014230021874), 27×29 mm. (8014230021881), 30×32 mm. (8014230021911), 34×36 mm. (8014230021935)