Cordless Finish Nail , Cordless Tool Kit Contents (1) Bare Tool, 18 V, Firing Mode Combination, Collation Style Strip, Collation Type Adhesive, Collation Angle Straight, For Nail Gauge 16 ga, For Nail Length Range 1 in to 2 1/2 in, For Nail Shank Diameter 0.0625 in, Battery Capacity 5.0 Ah