Pet Carrier Fasteners - 12pk BLACK (PLASTIC BOLTS - PLASTIC NUTS) 12 Black Nylon Pet Carrier Plastic Fastener nuts bolts (12) Black Knurled Plastic Thumb Nuts 10-24 threads (12) 1-1/2" long Black Plastic Bolts 10-24 Nylon66 Black replacement pet carrier nuts bolts lightweight and nonconductive, resist rust and corrosion