Insert tool holders

For screwdriver bits
Article no. Version Output Openings across flats Drive Head width b
6420B 6420B Insert tool holder for bits 6420B Insert square 9 x 12 mm ∙ Hexagon, hollow 6.3 (1/4 inch) h 6,3 = 1/4″ - Insert square 9 x 12 mm 20 mm
6420C 6420C Insert tool holder for bits 6420C Insert square 9 x 12 mm ∙ Hexagon, hollow 8 mm (5/16 inch) h 8 = 5/16″ - Insert square 9 x 12 mm 20 mm
6420D 6420D Insert tool holder for bits 6420D Insert square 14 x 18 mm ∙ Hexagon, hollow 8 mm (5/16 inch) h 8 = 5/16″ - Insert square 14 x 18 mm 30 mm