20 pce. Mini drill bit set 1.3 -2.5 mmHighlights & details HSS-driller DIN 338 Type N 2 pieces each in O 1.3 - 2.5 mmFeatures Case containing 20 mini HSS drill bits, right-hand cut, helical.Included in delivery 2 pieces each in O: 1.3/1.4/1.5/1.6/1.8/2.0/2.2/2.3/2.4/2.5 mm.tehnički podaci:-Standards DIN 338 Type N