100Pcs 22mm Inner Dia PE Plastic End Cap Bolt Thread Protector Tube Cover Audio Accessories Widely used on RC airplane

Widely used on RC airplane gas engine motor

1 x Single Sided Strong Self Adhesive Mylar Tape

This method can avoid excessive force leads to bending of the nail

9 alloy steel material

100Pcs 22mm Inner Dia PE Plastic End Cap Bolt Thread Protector Tube Cover Audio Accessories Widely used on RC airplaneUsed for protecting bolt thread or tube end. Simply slide over the threaded end of the screw or bolt, also easy to take off. The flexible PE plastic material stretches over the threads to provide a tight seal, cushions the threads against damage. Applications include: protection during transport, protection against liquids or dirt.