Double barrel syringes are available in 2.5, 5 and 10 mL capacities; offered in 1:1, 4:1 and 10:1 ratios. Consist of a manual plunger, a dual-cylinder syringe and a static mixer, designed to work together. Are polypropylene. Prevent diffusion of two components.  Provide precise mixing and dispensing. Come in black. 
 
ConProTec, www.conprotec.com