ITEM NAME:19mm Craft Stainless Steel Crimp Tool Practical Rolled Hem Feet Sewing Mach Y5Q5 19mm Craft Stainless Steel Crimp Tool Practical Rolled Hem Feet Sewing Mach Y5Q5 Usage:4/8 the width of hemming is about 13mm/0.51in,6/8 the width of rolled is about 19mm/0.75in,8/8 the width of hemming is about 25mm/0.98in.1 Foot Sewing Machine Presser Crimp. Size about 19mm. Usage:4/8 the width of hemming is about 13mm/0.51in,6/8 the width of rolled is about 19mm/0.75in,8/8 the width of hemming is about 25mm/0.98in.