The Z.A.P.S. Gear Black Survival Grenade, 338 Necklace combo includes our black survival grenade and our new .338 Lapua bullet necklace. Buy them together and save over $20.00 off of their combined regular price. The black Z.A.P.S. Gear Survival Grenade is a survival kit wrapped in paracord. It includes survival tools for food gathering, water gathering/purification, fire starting, first aid, rescue signalling, navigation, and shelter building. For the full list of contents, see the Contents photo above.