RAM Mount 2.5" Round Base w/1.5" Ball & 3/8"-16 Threaded Male Post f/Cameras [RAM-202CU] Brand_Lumitec Mounting Hole Diameter Inches: 1-7/8

Mounting Hole Diameter Inches: 1-7/8

Versatile four-way ratchet design for deck or side mounting

Advanced speed calibration allows for calibration at multiple heel angles and speeds

All White Polymer Gold Plated Contacts

RAM Mount 2.5" Round Base w/1.5" Ball & 3/8"-16 Threaded Male Post f/Cameras [RAM-202CU] Brand_Lumitec Mounting Hole Diameter Inches: 1-7/8RAM 2. 5" Round Base (AMPs Hole Pattern), 1. 5" Ball & 3 8" 16 Threaded Male Post for Cameras The RAM camera base contains a 1. 5" rubber ball that is connected to a 2. 5" diameter round base. Also, included is a 3 8" 16 threaded steel stud, centered, the round base provides support and stability for cameras that rest on top of it. The male 3 8" 16 threaded steel stud will connect to any standard female thread found on camcorders and digital cameras.