Used for 3/8" - 5/8" Solid Wood, 15 mm Bamboo & 3/8" - 5/8" Engineered Flooring. * Designed With An Adjustable Shoe Base To Assist In Positioning The Nail Into The Nail Pocket. * Two adjustment controls allow you to fine tune the staples position to assure proper placement and to prevent "Dimpling" * Uses 18 Ga- 1/4-Inch" crown Staples In Lengths of 1", 1-1/4" & 1-1/2". * Lightweight and durable for Professional use.