This is a Dynamite 5oz Grease Gun with Marine Grease. This product allows boaters to apply grease easily and neatly to their models' moving parts. Dynamite's waterproof Marine Grease adheres to most surfaces. 

Features: 

• Extra high performance
• Great for solid and flex shaft applications
• Lithium complex grease with anti-sling technology for superb adhesion
• Outstanding structural stability and resistance to water contamination
• Designed for use in multiple RC applications
• Replacement grease also available separately