Atlas Pro Dispenser Kit for 50ml/1.7oz Epoxy & Adhesives (1:1 & 2:1 Ratios) Single Pack Industry standard Dispenser for 50ml Dual-Barrel cartridges Works with Loctite, Devcon, Araldite, Gorilla, and others with standard 50ml "Square-Back" design Consistent and precise metering: Full Squeeze dispenses 4.1 grams (2 plunger clicks) Kit Includes an integrated dual-ratio plunger, usable for both 1:1 and 2:1 ratio cartridges No-Drip design, Impact Restistant Hardened Plastic body... lightweight & extremely durable