50% OFF CODE:6HWXCC5R Practical Types: Wokonl Red Dot Screw Kit includes 16 of the most commonly used screw types, Each screw type includes 3 pieces (48 pieces total), providing a spare for lost or damaged screws Various Sizes: M3 (11mm /12mm length) | M4 (8.6mm / 10.1mm length) | #4-40 (6.35mm / 8mm / 9.5mm length) | #6-32 (8mm / 9.5mm / 11mm / 12mm length) | #6-40 (9.5mm / 12.7mm length) | #6-48 (8mm / 9.5mm / 11.1mm length) Durable material: Red dot hardware is crafted from stainless steel and uses Torx T10, T15, T20 heads to prevent stripping. Recommended torque of 15 inch-pounds