Challenge 1 Hole Drill

Maximum drilling capacity: 2-1/2" (6.4 cm)

Available drill bit sizes: 2" (5.1 cm) length bits (13 sizes: 1/8" to 1/2" or 3-13 mm) and 2-1/2" (6.4 cm) length bits (4 sizes: 1/4" to 1/2" or 6-13 mm)

Range between drills: 2-3/4" to 4-1/2" (7-11 cm)

Range between outside drills: 5-1/2" to 9" (14-23 cm)