- Size: 8 mm. Kit contains : - For gross reduction (№ 1.611) X 10 pcs , or contouring (№ 1.612) X 10 pcs. - For finishing (№ 1.613) X 10 pcs. - For polishing (№ 1.614) X 10 pcs. - Mandrel № 1.111 X 1 pc. **For further product information, please contact Chat Support**