Dental Handpiece set with external water suppl Air motor, ger. Handpiece, contra-angle D16-(1)S Article 462110000 Item Added To Cart. Matching products Air motor for internal water supply. Straight handpiece with internal water supply Mobile dental unit, model DU 893 Vinyl apron, washable Cellulose swabs 4 x 5 cm perforated roll, non-sterile