You are buying one (1) NEW assortment. It is a machine screw nut with mastic sealer assortment that can be used on many Buick, Cadillac, Chevrolet, Oldsmobile & Pontiac cars & trucks. These nuts can be used moulding clips, under hood, trunks, etc.... This assortment contains forty (40) nuts with mastic sealer. There are four (4) sizes and ten (10) of each size (see below for sizes). These nuts are for threaded studs. The assortment comes in a small labeled poly compartment box. 

You must compare your application to the sizes we have listed.

10 pcs zinc plated nuts 8-32 x 5/8" flange diameter with 3/8" hex

10 pcs zinc plated nuts 10-32 x 1/2" flange diameter with 3/8" hex

10 pcs zinc plated nuts 10-24 x 1/2" flange diameter with 3/8"hex

10 pcs zinc plated nuts 10-24 x 5/8" flange diameter with 3/8" hex