... 2. Photos: 3. Technology Parameters for API 16A Cameron BOP RAM: • Standard: API 16AType: Cameron BOP RAMBOP RAM including pipe RAM (2-3/8, 2 ... -7/8, 3-1/2, 4 ... , 4-1/2, 5, 5-1/2, 5-3/ ... -5/8, 9-7/8 and 10-3/4″), blind, shear and variable RAM (2-7/8 to 5, 4-1 ...