5/32″ / 4mm diameter,

5/16″ / 7.9mm grip,

#20 drill size.

ou are paying for 100 rivets (sent by weight).  PLEASE NOTE: Postage is NOT included in this price.  After you have paid for your order, then it will be boxed and priced. I will e-mail you the amount to top up.  This is the only way I can think of to sell them by the 100 and not charge too much for people that need 500 (5 x lots of postage for one parcel).