Heavy-duty tacker staples were constructed to deliver supreme performance for heavy-duty stapling and tacking tasks in Bostitch TR150. The fastener crown length is 3/8, and the leg length is 1/4". Staples come neatly packaged in a rugged plastic package for lasting protection and storage. FeaturesDeveloped for supreme performance in heavy-duty stapling tasks.Sturdy plastic package for easy storage.DescriptionHeavy-duty tacker staples were constructed to deliver supreme performance for heavy-duty stapling and tacking tasks in Bostitch TR150. The fastener crown length is 3/8, and the leg length is 1/4". Staples come neatly packaged in a rugged plastic package for lasting protection and storage.