Buck 777SMK Smoke Lumina TM, LED Flashlight, Liner Lock Folding Knife Includes Knife, Box, and Warranty Registration Card The 777SMKX Lumina TM has a 3" drop point 420HC partially serrated 420HC stainless steel blade The Lumina has a stainless steel frame with translucent smoke nylon sides, The Lumina features a 5mm LED with 4 programmed functions, and a 5 minute auto shut off The 777SMKX Lumina TM, as with all Buck Knives, features Buck's 4-Ever Unconditional Lifetime Warranty