*We can engrave all metal/plastic products by request. The bottle opener keychain is a stylish and functional accessory that combines convenience with a touch of rugged appeal. These keychains have been expertly transformed into bottle openers, making them a unique and eye-catching addition to your keyring. • Crafted from real spent .308 bullet-fired shell casings. • Item Weight (oz): 14.4. • Item Dimensions, Length x Width x Height (In): 5 x 4.6 x 9.75".