Description:

Rob Allen Grewia Spearfishing Knife – Heavy‑Duty Stainless Cutting Tool

The Rob Allen Grewia Knife is a robust spearfishing and dive knife engineered for serious underwater use. Built with a 10.8 mm thick blade made from 420 stainless steel, it offers excellent strength, corrosion resistance, and reliability in saltwater environments. This makes it well‑suited for both everyday dive tasks and handling larger gamefish.

The handle is comfortable and ergonomic, designed to provide a secure grip during demanding underwater cuts — even while wearing gloves. Its sturdy construction ensures the knife stays solid in your hand, letting you focus on the task at hand without fatigue or slippage.

Designed with double fixation, the Grewia knife stays reliably in place when stored, ready for instant use. The unit also disassembles easily, allowing you to perform maintenance and sharpening as needed to keep the blade in peak condition.

This knife’s robust profile and thoughtful design make it a great choice for spearfishers who regularly target large fish or encounter tough cutting situations underwater where power, durability, and ease of use matter most.

Key Features:

• Blade thickness: 10.8 mm for strength and penetration

• Material: 420 stainless steel — resistant to corrosion and capable of holding a sharp edge

• Ergonomic plastic handle for comfortable, secure grip

• Double fixation system for secure sheath retention

• Easy to disassemble for cleaning and maintenance

• Ideal for large fish processing and general spearfishing/dive tasks

Whether you’re tackling big reef fish, clearing tangled line, or preparing your catch, the Rob Allen Grewia Knife offers dependable cutting performance and durability for demanding underwater environments.

Price is for one piece.