Features These flat head screws are great to use in confined areas where the head needs to be flush or below the surface Screws have sharp threads that cut into a material such as soft metal sheet, plastic or wood There are eight common lengths from 4mm to 20mm in this set for purpose use Well packed and assorted in a resealable transparent box for convenient storage and carry Used widely in the home and office appliance, wood furniture, repair and inventions Features:These flat head screws are great to use in confined areas where the head needs to be flush or below the surface.Screws have sharp threads that cut into a material such as soft metal sheet, plastic or wood.There are eight common lengths from 4mm to 20mm in this set for purpose use.Well packed and assorted in a resealable transparent box for convenient storage and carry. Used widely in the home and office appliance, wood furniture, repair and inventions. Specifications:Material: Nickel-plated carbon steelType: Cross flat head Size and Quantity:M2*4mm       100pcsM2*5mm       100pcsM2*6mm       100pcsM2*8mm       100pcsM2*10mm     100pcsM2*12mm     100pcsM2*16mm     100pcsM2*20mm     100pcsBox Size: 13.2 x 6.5 x 2.3cm / 5.19 x 2.56 x 0.9"Package Includes: 800pcs x Self-tapping Screws  Notes: 1. Due to manual measurement, please allow a little error. Thanks for your understanding. 2. Please understand that there may be chromatic aberration in the color due to the different positions of the pictures. Package List