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Browning Diana Grade choke tubes produce tighter patterns than Browning Invector Plus choke tubes.

Features:
- Stainless steel barstock and heat treated prior to machining
- Titanium nitride surface 72RC harness for excellent wear and reduced plastic build-up
- Absolutely perfect concentricity to provide superior patterning

Specifications:
- Choke: Improved Modified
- Color: Titanium Nitride, black band
- Constriction (Inches): 0.025
- Gauge: 12 Gauge
- Type: Invector-Plus