The front screws on the bottom kept coming loose on both my DESC10 and Losi 8 E. So I got some 4 x 16 mm screws from AMain, part # PTK-H-2306. Needless to say it is not going to easily come loose again. The original screws are 1/2 long, and these are 5/8 inch long. They snugged up nicely.