Lamp Mounting Hole is Slotted on One Side for Mounting Flexibility & Tightens over Pipe with a Bolt & Nut. 4 kinds of strobe flash. Amber color. 8200 Series:8210,8220,8240,8250,8260,8270,8280. 8100 Series:8110, 8120,8130, 8140, 8150, 8160,8170, 8180.
eBay