Material: Metal, high hardness and tensile strength; anti-rust oil coating.
Drive type: hexagonal socket; head type: inner hexagonal cover; external surface treatment: black oxidation.
Multifunctional and durable storage box: These metric screws use a sturdy plastic storage box. The detachable nesting divider can personally collect fasteners, screws, nails, nuts, bolts, hair accessories, bead storage, fishing tackle and various other small items.

Colour:black
Material:Metal

Package Contents:
30 * M3x8 bolt
30 * M3x10 bolt
30 * M3x12 bolt
30 * M3x16 bolt
30 * M3x8 bolt
30 * M3x10 bolt
30 * M3x12 bolt
30 * M3x16 bolt
20 * M4x8 bolt
20 * M4x12 bolt
20 * M4x8 bolt
20 * M4x12 bolt
20 * Stainless steel hexagonal lock nut M3 (inlaid with nylon)
20 * Stainless steel hexagonal lock nut M4 (inlaid with nylon)
20 * 304 stainless steel flat washer M3
20 * 304 stainless steel flat washer M4
20 * Silicone red O-ring outer 5*1mm
20 * galvanized R type split pin 1.5*28mm
20 * In-line positioning pin φ2*10mm
20 * Black manganese steel E type circlip 3.0mm
20 * Black zinc plated hexagon socket set screws with flat end DIN913 M3X3
20 * Black zinc plated hexagon socket set screws with flat end DIN913 M4X4
1 * Black carbon steel hexagon wrench φ1.5 (with tightening M3)
1 * Black carbon steel hexagon wrench φ2 (with set screw M4)