7/16" Shank...Sharp Points triangular shank and strong, thin oval heads are ideal for attaching all types of upholstery work such as webbing, fabric and leather, carpet. With sturdy steel construction and blued finish to protect against rusting, these tacks deliver quality and performance. 7/16" long tacks. Approximately 400 pieces (approx 4-3/4 ounces) per pack.