Single ram bop (1)api spec 16a (2)nace mr-01-75 (3)h2s (4)api q1&iso 9001 Api 16a bop stacks features: 1) standard:api16a 2) bore size:7 1/16-21 1/4" 3) pressure:2000-15000psi 4) type: shaffer type, cameron type 5) body styles: single, double, triple 6) outlets: according to customer needs or standard. 7) end type: api flanged, studded and other types are available Annular bop 1) standard:api16a 2) bore size:7 1/16-21 1/4" 3) pressure:2000-15000psi 4) type: shaffer type, hydril type 5) best price Packaging detail:steel/ wooden case or according to clients' requirement Delivery detail:20-45 days after receiving the copy of l/c or prepayment