Butterfly Doppler Phase 4 Guide
Max Blue patterns and tier system

Guide Overview
Master Guide to Butterfly Doppler Phase 4 Max Blue & Max Blue Tip Patterns
The blade of the knife is painted with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The color scheme of the skin includes various shades of blue, brown and black creating gradient transitions. The handle is unpainted and complemented with blue inserts.
The pattern index affects the ratio of colors as well as the location of blue, brown and black areas. Pattern variations with a predominance of blue on the play side of the blade are titled "BTA Blue" . Knives with only blue color on the blade resemble Butterfly Knife | Doppler Sapphire and are titled "Max Blue" .
Max Blue patterns have the maximum amount of blue on the blade. These patterns have a dark tip of the blade, but under some lighting it is not noticeable in the game. The best patterns are #763 and #575. There are also Max Blue Tip patterns - patterns have the maximum amount of blue on the tip of the blade.
These patterns feature maximum blue coverage on the blade and are the most valuable Phase 4 patterns. They showcase vibrant blue coloring with minimal brown/black interference.
Pattern Evaluation
Float Value of the skin ranges from 0.00 to 0.08, which makes Butterfly Knife | Doppler Phase 4 available only in Factory New and Minimal Wear condition. At levels of wear close to the maximum, the knife has noticeable scratches and abrasions located along the cutting edge.
Phase 4 is the most popular Doppler phase due to its vibrant blue coloring and resemblance to Sapphire.
Max Blue patterns (#763, #575) are the most valuable and sought after by collectors.
Max Blue Tip patterns offer good value as they're less known but still feature excellent blue coverage.
Low float values are crucial for Phase 4 as they maintain the vibrant blue colors.
Value And Inspection Notes
StatTrak™ Max Blue patterns command premium prices due to their extreme rarity.
Check Your Butterfly Doppler Phase 4 Pattern
Paste a Steam inspect URL to check whether the pattern matches one of the highlighted groups from this guide.