160 pieces KIT CONTENTS: Flat Head Countersunk: M3x6, M4x10, M4x12, M4x25, M5x12, 6-32x3/8, 6-32x1/2 Regular Socket Cap: M3x6, M3x8, M3x12, M3x14, M3x16, M4x8, 6-32x1/2, 6-32x5/8 Special Feature Includes substitution for M3.5 screws using 6-32 standard sizes.