The HK Army Vice Tank Grip is the premiere tank grip on the paintball market. They are specifically designed to provide you a comfortable, anti-slip, surface area on the rear of your tank. The Vice Tank Grip is comprised of a dual, color-injected, malleable, rubber material that effortlesslywraps around the butt of your carbon fiber tank. Select your favorite HK Army Vice Tank Grip to keep your gun light-weight and reduce "tank-slip," orunnecessarytankmovement in game play. One size fits alltanks. Recommended tank sizes: 48ci,50ci, 62ci, 68ci, 70ci, 88ci, 90ci and 100ci