ITEM NAME:5Pcs Titanium Alloy Countersunk Hex Head Screws - High Tensile Bolts M8*20 Description: Application: Indoor or outdoor Usage: Fastening piece for home improvement or mechanical industry Can be used widely in home DIY, carpentry, auto parts, machine repair It is not rusty, can be used as a practical tool tapped in wooden door, sheet metal pieces, brick wall, window and so on Material: Titanium Alloy Color: As the picture show Package Includes: 5Pieces Screws Note: Please allow 1-3mm error due to manual measurement..Material: Titanium Alloy. 5Pieces Screws. The colors may have different as the difference display,pls understand.