800Pcs Self Tapping Screws M2 Black Carbon Steel Countersunk Flat Cross Head Set

Impeccable practicability--- Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur, even DIYers can opt to use it Impeccable practicability--- Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur, even DIYers can opt to use it Excellent performance---There are 8 different lengths in one set to meet your various needs Well organized---This set is organized by size in a transparent storage case for quick access and -- Invincible configuration--- Made of high quality carbon steel, very strong and to use, environment-friendly, no pollution, high hardness