Small Parts 3740C8 3/8"-16 X 2-1/2" Carriage Bolt Grade 8 Fully Threaded Zinc Yellow (Pack of 10) auspowers_batchsix It is made of plastic

It is made of plastic for protection against conductivity and clips on for simple attachment to the solid state relay

is very easy to install and has a solid feel

Relay Module: SRD-DC03V-SL-C

Microphone (4 -Pack)

You could probably decorate on it

Small Parts 3740C8 3/8"-16 X 2-1/2" Carriage Bolt Grade 8 Fully Threaded Zinc Yellow (Pack of 10) auspowers_batchsix It is made of plasticSmall Parts 3740C8 3 8" 16 X 2 1 2" Carriage Bolt Grade 8 Fully Threaded Zinc Yellow (Pack of 10) 3 8 16X2 1 2 Carriage Bolt Grade 8 Fully Threaded Zinc Yellow (Pack of 10) Product Features Round head bolt with a square neck under the head, and a unified thread pitch. Grade 8, Fully Threaded Zinc Yellow Country of origin: United States