Grommets
Grommets:  self piercing grommets. Nickel or Brass. Bags of 500.

NO. GRM/WS300(N)or(B) -#4 (5/8"ID)
NO. GRM/WS280(N)or(B) - #3 (7/16"ID)
NO. GRM/WS250(N)or(B) - #2 (3/8"ID)
NO. GRM/WS230(N)or(B) - #1 (5/16"ID)
NO. GRM/WS210(N)or(B) - #0 (1/4"ID)

Long-Neck Grommets: for materials up to 10 mil or 1/2" thick.  Self-piercing. Nickel or Brass. Bags of 500.

No. GRM/WS250BL - brass
No. GRM/WS250NL - nickel