... RHAM: Stationary Heavy Wall Barrel, Top Anchor, Mechanic Seating, Rod Pump 2) RHBM: Stationary Heavy Wall Barrel, Bottom Anchor, ... Stationary Thin Wall Barrel, Bottom Anchor, Soft-packed Plunger, Rod Pump 11) THM: Heavy Wall Barrel, Mechanic Seating, Tubing Pump 12 ... ) THC: Heavy Wall Barrel, Cup Seating, Tubing Pump API 11AX sucker rod ...