Fit model:for NR83A 3-1/4inch Full Head Nailer, NR83A2 Full Head Framing Nailer. It can be connected to the nose of the nailing machine by fixing screws or thumb wing nuts. Features:simple installation, Adjustable for complete flush nailing, Set screws or wing nuts for easy installation. This flush nailer is a high qaulity adjustable flush nailer. It can be connected to the nail head by fixing screws or thumb wing nuts. Fixing screws or wing nuts for easy installation. Please note: Product images, specifications, and colors may be subject to changes in certain technical data or appearance that we have not yet updated. Please understand. Please do not mind! Colour:Photo Color Material:Metal Package Contents: 1 set x Donut Flush Nailer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.