Morris Products 54612 Auto Load Utility Knife-Quick Change Retractable Blade, Auto-Load Utility Knife with Holster Utility Knife - Auto Load - Quick Change - Retractable Blade - Use this Curved Handle Utility Knife for comfort and cutting ease. Curved handle design with slip-resistant grip for comfort and ease of use No tools required for quick blade change Plastic holster with belt clip for convenient use included Safety overlap handle design for heavy-duty cutting