Dial:
1.5” (40mm), 2” (50mm), 2.5” (63mm), 4” (100mm) white aluminum with black and red markings
Case:
Steel, painted black (plastic available)
Lens :
1.5” (40mm), 2” (50mm), 2.5” (63mm): Acrylic 4” (100mm): Glass
Ring:
1.5” (40mm), 2” (50mm): Steel, painted black 2.5” (63mm), 4” (100mm): Steel, chrome plated
Socket:
PEM: Brass PEM-LF: Lead Free Brass, NSF-61-372 certified
Connection:
1/8” NPT or 1/4” NPT standard