The Screw Loose Spacer Kit is a bulk m3 spacer kit perfect for custom builds and maintenance for a variety of R/C applications. This Spacer Kit includes aluminum spacers and washers for m3 hardware. 16 pieces of each of the following aluminum spacers (ID,OD,Length) 3.1x6x3mm, 3.1x6x6mm and 3.1x6x10mm. In addition 16 chrome conical washers from Dubro and 50 flat washers. These spacers and washers come shipped in a Screw Loose micro hardware case.