Grex P6/15-ST 23 Gauge 5/8-Inch Length Stainless Steel Headless Pins (5,000 per Box) 23 Gauge stainless steel headless pins Designed to use with P630, P635, P645 and P650 Grex pinner Precision drawn wire guarantees consistent accurate pins optimized tensile strength for pin length Durable yet flexible collation minimizes strip fragmentation Measures 5/8 inches length 23-Gauge stainless steel headless pins are designed to use with p630, p635, p645 and p650 grex pinner Precision drawn wire guarantees consistent accurate pins Optimized tensile strength for each pin length Durable yet flexible collation minimizes strip fragmentation Fastener measures 5/8-Inch length