ideal for heavy masonry drills plastic tubes ØMMUsable Length MM 10 150 14 (150-210) 16 160 16 (160-250) 25 (160-250) 35 (160-250) 40 (160-250) 16 (290-480) 25 (290-480) 35 (290-480) 42 (290-480) 20 (290-420) 16 (380-700) 25 (380-700) 35 (380-700) 42 (380-700)