PROFESSIONAL M5X4MM CHICAGO SCREWS FOR THIN MATERIALS Focus your craftsmanship with our dedicated single-size chicago screws. Designed for ultra-thin applications, this pack provides exactly the dimensions you need. We explicitly pair our posts with appropriately shortened screws to ensure a tight clamp on thin leathercrafts. --- COMPREHENSIVE SPECIFICATIONS --- Material: High-Strength Carbon Steel Post Size: M5 x 4mm (Approx 5/32 inch) Matching Screw Size: M4 x 3mm Color: Gunmetal Black (Anti-rust finish) Package Includes: 60 Sets (Posts and Screws) Primary Applications: Kydex holsters, watch bands, and delicate thin leather binding. --- FAQ: WHY CHOOSE THIS 4MM PACK? --- Q: Why is the M4x3mm matching screw important? A: For extremely thin materials like Kydex, a standard screw would hit the bottom of the post before clamping tightly. We specifically provide a shortened 3mm screw to ensure a flush, secure hold.