Feature:
-- Sturdy and corrosion-resistant, rust-proof, made of high-quality materials, durable and practical.
-- Rivet nuts can be installed on a variety of different materials, including steel, plastic and fiberglass.
-- Widely used in automobiles, furniture, decoration and other electrical and industrial products.

Specification:
Color: gold
Material: galvanized + steel
Product Size:
M10: 12(W)*22(H)mm/0.47*0.87inch
M8: 10 (W)*18 (H) mm/0.39*0.7inch
M6: 8 (W)*15 (H) mm/0.31*0.59inch
M5: 7(W)*13(H)mm/0.27*0.5inch
M4: 6 (W)*11 (H) mm/0.24*0.43inch
Box size: 19.5*13*3.6cm/7.68*5.1*1.4inch

Package Included:(The items you select)
120/240pcs Stainless Steel Flat Head Rivet Nuts

120pcs Stainless Steel Flat Head Rivet Nuts
M4: 50PCS
M5: 35PCS
M6: 15PCS
M8: 10PCS 
M10:10PCS
240pcs Stainless Steel Flat Head Rivet Nuts(240PCS=2Set 120PCS)
M4: 100PCS
M5: 70PCS
M6: 30PCS
M8: 20PCS 
M10:20PCS

Note:
1.Please allow 1-5mm error due to manual measurement.
2.Due to light and screen difference, the item's color may be slightly different from the pictures