The Ramset MasterShot 0.22 Caliber Powder-Actuated Tool makes attachments to concrete and steel quietly. Its silencing feature and a cushioned, ergonomic grip offer user comfort. Ergonomic handle for increased comfort. Can fasten up to 3 inch drive pins with washer. For light and medium duty applications in concrete and steelIdeal for attaching 2 x 4 inch furring strips and electrical boxesSilencing featureCushioned speed-eject gripRubber cushion grip increases comfort during useAuto cartridge ejection system makes reloading faster and easier