Stainless steel construction with hardness for durability and long service life. Ergonomic design and ease of use Curved handle provides a comfortable, secure grip. Springloaded handle reduces effort and minimizes hand fatigue during extended use. Precision and efficiency Simple pattern notcher that marks patterns accurately, helping to speed production and reduce defect rates. Key attributes Function: pattern notching for accurate stitching and assembly Material: stainless steel with hardness Design: curved, ergonomic handle with a spring mechanism Performance: reliable, longlasting tool for precise pattern marking Use scenarios Leather goods production: notch stitch lines on leather pieces for precise sewing alignment. Garment and fabric projects: mark pattern outlines on fabric before cutting to ensure correct fit and placement. Small leather accessories and bags: notch pieces for consistent assembly and quality control.