Brand Name: Arrow Fastener | Color: Gray | Crown Type: Flat Crown | Crown Width: 3/8 in. | Gauge: 18 Ga. | Length: 1/2 in. | Material: Stainless Steel | Number in Package: 1000 pk | Packaging Type: Boxed | Series: T50 The T50 Genuine Arrow staples are made in the united states from quality stainless steel material, ensuring your stapling is precise, strong and long-lasting first time, every time. Available in 6mm (1/4 inch), 8mm (5/16 inch), 10mm (3/8 inch), 12mm (1/2 inch), 13mm (17/32 inch) and 14mm (9/16 inch) sizes with a flat crown width of 10mm. Also in stainless steel and monel materials. | 1/2 in. size | Genuine Arrow T50 staples | Quality stainless steel material for long-lasting durability | Available in 6 mm, 8 mm, 10 mm, 12 mm, 13 mm and 14 mm leg lengths | Flat 10 mm crown | Compatible with the Arrow T50 Heavy Duty Staple Gun and other brands | 1/2 in. | 12mm | 1,000 per pack