Master USA | Rainbow Buddy | Rainbow

Rainbow Buddy Master USA – Spring-assisted pocket knife with rainbow finish

The Rainbow Buddy is a spring-assisted pocket knife featuring a 3CR13 stainless steel blade with distinctive rainbow coloring. This everyday carry tool combines a 8.89cm drop point blade with integrated bottle opener functionality, weighing 136g.

Construction and materials

Built with a 3CR13 stainless steel blade in a drop point profile, the knife measures 20.32cm when open and 11.43cm when folded. The blade features a satin finish with rainbow coloring, while the injection-molded ABS handle provides durability. The plain-edge blade configuration suits general cutting tasks.

Application and use

Designed for everyday carry applications, this pocket knife handles routine cutting tasks including rope, cardboard, and food preparation. The spring-assisted opening mechanism enables quick deployment, while the integrated bottle opener adds utility for field or workshop use.

Integration and compatibility

The knife features one-handed opening capability through its spring-assisted mechanism and thumb stud. A liner lock secures the blade during use, while the integrated pocket clip allows for convenient carry in standard pockets or on gear.

Maintenance and lifecycle

The 3CR13 stainless steel composition provides basic corrosion resistance and easy sharpening characteristics. Regular cleaning with a cloth and periodic sharpening with basic whetstones maintains optimal performance. The steel's entry-level properties mean more frequent maintenance compared to premium alloys.