M4.2 x 13mm to x 50mm, Black-140pcs 8# Wafer Head Self-Tapping Screws

(Black Oxide Alloy Steel). – Head Type: Wafer Head / Modified Truss Head. – Material: Carbon Steel. 【Portable & Storage】: M4.2 x 13 mm — 20 PCS; M4.2 x 16 mm — 20 PCS; M4.2 x 19mm — 30 PCS; M4.2 x 25mm — 25 PCS; M4.2 x 32mm — 15 PCS; M4.2 x 38mm —15 PCS; M4.2 x 50mm —15 PCS; Total: 140-Pieces/Set.