100 Sets M6 Hex Drive Metric Set Screws Assortment Kit - Black Alloy Steel Nut and Bolt Organizer for Pocket Knife Screws Repair Kit Machine Screw Assortment Kit (M6 Set)

100 sets 6 size black M6 connecting bolts cap nuts assortment kit and 2pcs matching drive tool. Collection of 6 sizes 20/25/30/35/40/50mm in a sturdy box total 200 pcs choose whatever you need which can fully meet your daily needs.
Mainly functions: combination connection fixing and wear resistance. Installation -Insert the screw into the hole on one end and insert the nuts to cover the screw on the other end. Lastly use the M4 wrench tighten the bolts nuts. Application - used as a fastener to connected Fit for all kinds of DIY art leather crafts and clothing making. Such as Baby Bed Furniture thin photo albums decorative bags belts leather bags sandals boots etc.