4MM Metric Socket Head Stainless Steel Screw Assortment cased in a very nice,well made case included as pictured.Most but not all fasteners used in radio controlled vehicles are 4MM.Fastener assortment of Stainless Steel socket Head Cap screws

Flat Head Screws:

20 pieces 4M X 8MM Flat Head Cap Screws
20 pieces 4M X 12MM Flat Head Cap Screws
20 pieces 4M X 16MM Flat Head Cap Screws
Button Head Screws:

20 pieces 4M X 6MM Button Head Cap Screws
20 pieces 4M X 10MM Button Head Cap Screws
20 pieces 4M X 16MM Button Head Cap Screws
Socket head Cap Screws:

20 pieces 4M X 8MM Socket Head Cap Screws
20 pieces 4M X 12MM Socket Head Cap Screws
20 pieces 4M X 16MM Socket Head Cap Screws,
Nylon insert lock Nuts:

20 pieces 4MM Nylon insert lock nuts Stainless Steel
Hex Nuts:

50 pieces 4MM Hex nuts Stainless Steel

Flat Washers:

50 pieces 4MM Flat washers Stainless Steel