63HA 150/230Pcs Flat Head Threaded Insert Nuts with Box 8#-32 10#-24 1/4-20 5/16-18 3/8-16 Rivets Nuts Rivnut Assortment Kit

63HA 150/230Pcs Flat Head Threaded Insert Nuts with Box 8#-32 10#-24 1/4-20 5/16-18 3/8-16 Rivets Nuts Rivnut Assortment Kit