Staplers and hammer tackers are designed for professional use. Durable all steel or aluminium construction. Nickel plated finish resists corrosion. Low staple viewing window. Exclusive swing-away channel for easy clearing of jammed staples. Perfect for light to medium duty applications. Comfortable PVC hand grip. For upholstering, fencing, carpeting, ceiling tile, insulation and many other uses. Uses 1/4 to 9/16 inch heavy duty staples or equivalents.