Usage Tips:MATERIAL: Crafted from durable stainless steel and a brass base with an anti-slip design, these leathercraft needles resist corrosion and rust, ensuring longevity and reliability in your crafting tools. VERSATILE SIZES FOR VARIOUS PROJECTS: Featuring two needle sizes, the 18mm needle is perfect for leather edges of 6-12mm thickness, while the 12mm needle accommodates leather edges of 0-6mm thickness, catering to diverse crafting needs. USER-FRIENDLY OPERATION: To use, simply pull the base outward to remove or insert the fixed needle. Avoid forcing the needle out to prevent damage to the solder joint between the ring and the needle, ensuring smooth operation. COMPLETE SET FOR LEATHER CRAFTING: This set includes 10 short and 10 long positioning located needles, providing ample tools for your leathercraft projects, whether you're a beginner or an experienced crafter. ESSENTIAL TOOL FOR DIY LEATHER CRAFT: Ideal for hand sewing and DIY leathercraft, these fixed suture needles are essential for holding seams and pinning up leather projects, making them a great helper for all your leather sewing needs. Material: metal Color: as shown Package Contents: 20 x positioning needle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.