The Custom Hematic Grenade is a hyper-realistic, bio-engineered explosive device designed for combat against supernatural entities in Death Stranding. It features a sleek, cylindrical form with a translucent, blood-filled chamber at its core, surrounded by a metallic casing with intricate circuitry and branding. The grenade's surface is smooth with a slightly glossy finish, showcasing a vibrant red hue for the hematic fluid, contrasting with the dark, matte metal exterior. Distinctive design elements include glowing blue indicators for activation status and finely engraved serial numbers for authenticity.