PROTO TDI Chopper Neck Knife - Tactical Self Defense Tool for Outdoor Survival & EDC - Perfect for Camping, Hunting, and Emergency Situations

The new 2025 Generation of TDI NEX now features sleek rounded front corners to match the new SCS V3 profile. Also, additionally reinforced I-Beam structure, totally flush bearing bores and new engravings!

The “Chopper” NEX come in 3 headtube angles 83°, 84° and 85°. The Chopper 83° geometry is a direct substitute for the Orion Standard V2 (2012) and the Orion Integrated V1 (2015). The Chopper 84° is the direct substitute for the Orion TH (2019). The Chopper 85° is the first 85° neck ever produced in scootering and has no substitute.

All Models feature engravings of the Model Name, Headtube Angle, Patent Number, USA and PROTO logo and hand stamped with their model-specific production number at time of final QC inspection and packaging.

All TDI NEX are manufactured in house in the PROTO Factory in San Diego, California to the highest precision CNC machining tolerances in the freestyle scooter industry with unmatched attention to detail.