A complete set of five ergonomic grip caps for M3, M4, M5, M6 and M8 hex nuts.
Each cap uses a rounded 9-tooth gear-like profile that provides excellent torque when turning nuts manually.

Designed for tool-free adjustments, repetitive assembly, prototyping rigs, printer frames, CNC machines and all DIY mechanical builds.
The snap-fit cavity holds securely while allowing removal when needed.

Features

• Sizes included: M3, M4, M5, M6, M8
• 9-tooth ergonomic grip for strong manual torque
• Tool-free tightening and loosening
• Support-free print geometry
• Perfect for jigs, fixtures, prototyping and electronics frames

Recommended printing

• PETG recommended for durability
• PLA+ works great for general use
• 30–50% infill
• 0.2 mm layer height
• No supports