Lithium Battery, 3V, 123, 2 PK ORS NASCO and steel working parts hardened and steel working parts hardened in a 1500 degree furnace A rugged coil spring gives tool the power and performance of a larger stapler but in a smaller fine wire format Convenient viewing window indicates when staples are running low Silicone pattern on Rhino Tex™ synthetic leather provides an effortless and secure grip Pinch'd Tip™ fingers for optimum sensitivity Reliable neoprene knuckle protection with reflective trim AirMesh™ ultra breathable back provides ultimate comfort and support Internal padded palm adds extra comfort and snug fit This Duracell High Power Lithium battery is designed for use in household items like cameras and more Duracell High Power Lithium batteries are designed and developed for long lasting quality performance Duracell High Power Lithium batteries provide durable value because they are guaranteed for 10 years in storage Guaranteed for 10 years in Storage: Duracell Lithium Coin batteries are guaranteed for 10 years in storage