PORTER-CABLE PIN100 1/2-Inch to 1-Inch 23-Gauge Pin Nailer The product is Pin Nailer Kit Easy to use The product is manufactured in China Uses 23 ga. micro pin nails from 1/2-inch to 1-inch long similar to Senco models Tool automatically adjusts for different fastener lengths for esier loading Convenient bottom-load magazine holds 170 micro pin nails Dual trigger feature Low nail reload indicator; Rubber comfort grip on tool handle