1、GOOD QUALITY CARBON STEEL: Cross pan head small screw combination kit is made of carbon steel, with high strength, not easy to deform, non toxic and non polluting 2、PACKAGE INCLUDES: Contain 10 sizes of miniature self tapping screws with tweezers, sizes include M1x3mm, M1x4mm, M1x5mm, M1.2x3mm, M1.2x4mm, M1.2x5mm, M1.4x3mm, M1.4x5mm, M1.7x5mm, M1.7x6mm, 100pcs each size 3、WIDE APPLICATIONS: Replacement screw sets can be used for glasses, watches, clocks, small toys, etc. Meet the needs of different projects, which is a must for home life 4、VERSATILE AND DURABLE STORAGE BOX: The set is organized according to their size in a transparent storage box for quick access and protection 5、GOOD CONNECTION AND TIGHTENING: Pan head self tapping screws are designed with deep threads, which are sturdy and durable. Can provide a good grip under different materials and achieve the effect of connection and tightening