1/4 Black Hex Dome Cap Fit 1/4" diameter bolts with 7/16" hex wrench size 1/4 black hex dome cap ARK14DB $0.060/ea
5/16 Black Hex Dome Cap Fit 5/16" diameter bolts with 1/2" hex wrench size 5/16 black hex dome cap ARK516DB $0.090/ea
3/8 Black Hex Dome Cap Fit 3/8" diameter bolts with 9/16" hex wrench size 3/8 black hex dome cap ARK38DB $0.100/ea
#8-#10 Black Screw Cap w/ Base Fit #8 & #10 pan head screws #8-#10 black screw cap w/ base ARK810B $0.120/ea
#8-#10 White Screw Cap w/ Base Fit #8 & #10 pan head screws #8-#10 white screw cap w/ base ARK810W $0.120/ea