15 Sets 4MM Brass and Stainless Screw Rivets are Suitable for Kitchen Knife Handle Attachment(Brass)

- Size: length 15MM, nut diameter 7MM, stud diameter 4MM, please see the second detailed picture; - Note: Before adopting, please check whether your product matches the size in the picture; - Material: Made of high-quality brass and stainless steel, sturdy and wear-resistant, with long service life; - What you will get: The package includes 15 sets; (as shown in the first picture) - Instructions for use: Insert the screw into the screw hole of the tool handle and knock it in with a hammer. (Knocking it tight will cause the nut to heat up and expand, which will tighten the blade and the patch, thus fixing the tool handle.) Then use sandpaper to polish the surface of the screw to make it smooth.