TE DRS-Y Dust Removal System Kit BoxDescription Dust removal system for concrete drilling and chiseling with Hilti SDS Max (TE Y) rotary hammers Features Unique Hilti system for virtually dust free drilling and chiseling with SDS Max rotary hammers Safer jobsites significantly reduce the amount of airborne dust Applications Virtually dustless drilling at depths of up to 300 mm with drill bits of 12 52 mm diameter and 520 570 mm in length Virtually dustless chiseling with chisels 240 500