The Hollow Grind is an online knife retailer serving collectors, enthusiasts, everyday users, first-time buyers, and customers seeking knives for outdoor recreation, martial arts, or military applications. Its selection includes folding, tactical, fixed-blade, automatic, and out-the-front (OTF) knives, with products from makers such as Microtech, Heretic, Rick Hinderer, Medford, Demko, and Tactile Knife Co. The store also features custom, consignment, pre-owned, and sale items, alongside new releases from established and independent makers.

Beyond knives, The Hollow Grind offers accessories and related products, including pens, hatchets, and lighter-and-pen kits. Customers can shop online by category or maker, review product details, and contact the store for more information. The company also buys used knives online, giving customers another way to engage with its marketplace. The Hollow Grind describes its team as knowledgeable and committed to helping customers find suitable products, whether they are browsing casually or looking for a specific model. Its offerings span practical everyday carry options as well as distinctive custom pieces.