An assortment of J-type speed nuts from Hillman. The "J"-nut variants in this assortment are engineered to fit screws and screw threads sized #8-32 thru 3/8"-16. Full assortments of #46187 contain eight (8) refills comprised of Hillman item numbers #1150, #1151, #405549, #405550, #405552, and #410112 - #410114.