Stanley Bostitch STCR50191/2-1M 1000-PACK 1/4-Inch Leg 1/2-Inch x 3/4-Inch Heavy Duty 7/16-Inch Power Crown Staple (Pack of 5). Stanley manufactures high quality, innovative fastening tools and fixings for industrial, construction and DIY applications. Products include pneumatic staplers and mailers, compressors, manually operated staplers and staplers, coil screw systems, riveting tools, hot glue guns, a wide range of collated nails, screws, staples and specialty fasteners in a variety of materials and finishes, as well as office products and carton closers—many of them industry firsts. Stanley Bostitch STCR50191/2-1M 1000 Count 1/4-Inch Leg, 1/2-Inch by 3/4-Inch, Heavy Duty 7/16-Inch Power Crown Staple (5-Pack) Features: 1,000 Per Card; STCR50191/4-1m: 1/4-inch; STCR50193/8 -1m: 3/8cm; STCR500 191/2-1M: 1/2"; STCR50199/16-1m: 9/Stanley Bostitch STCR50191/2-1M 1, 000pcs. 1/4" Leg 1/2" x 3/4" Heavy Duty 7/16" Power Crown Staple (Pack of 5). Specifications Mounting Crown Length:1.1cm/0.43"; Fit for Bostitch Tools:PC1000, PC2000, PC4000, PC4000, PC4000-oc1, PC5 000, H. 30-8, p6c-8, uso56-1; Leg Length: 1/2 inch; Quantity per item: 1, 000; Wire Gauge: 1.27 x 1.9 inch