Finish Satin Blade Steel Type 8Cr13MoV Stainless Steel Hardness Rc. 58-60 Battery CR2032 (4) Burn Time 240 mins Lumens (Max) 45 US Standard| Metric Overall Length 7 17.78 cm Closed Length 4 10.16 cm Product Weight 3.40 oz 96.39 g Blade Length 3 7.62 cm Blade Thickness 0.08