- Phosphoric acis 37% etching gel. - Increase bonding strength. - Suitable viscosity to increase work accuracy. - Easy to wash. - High color contrast. - Avoid excessive etching. - Decreased sensitivity. Pack contains : - 3 x 2.5 ml luer syringes contains etchant gel. - 3 Needle tip, 1/2"", 20 Gr yellow. **For further product information, please contact Chat Support**