Overview The IST BCD Knife is a compact dive knife designed for scuba divers who want a small, durable cutting tool that can be kept accessible as part of their dive setup. Measuring just 5.4 inches overall, it combines a short 2.8-inch blade with a rugged G10 handle for a streamlined profile. The blade is constructed from 440C stainless steel with a blackened finish, while the handle uses high-performance G10 laminated fiberglass bonded with strong epoxy resin. This combination provides a durable, corrosion-resistant cutting tool designed for demanding marine environments. Best For Recreational scuba diving Keeping a compact cutting tool with dive gear Cutting line and other routine underwater materials Divers who prefer a smaller knife over a full-size dive knife Key Features Compact Design: Measures approximately 5.4 inches overall for a streamlined dive setup. 440C Stainless Steel Blade: Durable stainless steel construction provides corrosion resistance and cutting performance for marine use. Blackened Blade Finish: Provides a dark, low-reflective appearance while adding an exterior finish to the stainless steel blade. 2.8-Inch Blade: Compact blade length provides useful cutting capability without the bulk of a larger dive knife. G10 Handle: High-performance laminated fiberglass construction provides a strong and durable grip material. Epoxy-Bonded Construction: G10 material is manufactured using fiberglass laminate bonded under high pressure with strong epoxy resin. Specifications Brand: IST Product Type: Compact BCD / Dive Knife Blade Material: 440C Stainless Steel Blade Finish: Blackened Finish Handle Material: G10 Laminated Fiberglass Blade Length: Approx. 7.2 cm / 2.8 in Overall Length: Approx. 13.8 cm / 5.4 in FAQs What is the blade made from? The blade is made from 440C stainless steel with a blackened finish. What is G10? G10 is a high-performance material made from fiberglass laminate bonded with strong epoxy resin under high pressure, creating a durable handle material for demanding environments. How large is the knife? The knife measures approximately 13.8 cm / 5.4 inches overall with a blade length of approximately 7.2 cm / 2.8 inches. Is this a full-size dive knife? No. This is a compact dive knife with a relatively short 2.8-inch blade, making it well suited for divers who want a smaller cutting tool. Care & Maintenance Rinse the knife thoroughly with fresh water after every dive, especially after saltwater use. Allow it to dry completely before storage and periodically inspect the blade and handle for corrosion, wear, or damage. Follow applicable local regulations regarding the transport and use of dive knives. Expert Insight The IST BCD Knife is a good option for divers who want a compact cutting tool without carrying a traditional full-size dive knife. Its 440C stainless steel blade, blackened finish, and durable G10 handle provide a solid combination of corrosion resistance, strength, and portability.