panel 82 on the side 83 of the spool 32 for individual control of a multiplicity of lines to subsea equipment stab plate 84 engages receptacle plate 85 to give individual hydraulic supply to various selected lines when the reel is not rotating control box 86 provides for operational control of the spool 32 failsafe brakes 87 provide stopping power for the spool 32 locking pin 88 provides positive position stopping for the spool 32 and motor 89 provides operations power for the spool 32 thru chain 90 referring now to fig3 a half section of the swivel of this invention can be seen inner mounting plate 100 is attached to the main shaft 50 by bolts 101 outer mounting plate 102 is mounted to the mandrel 103 by bolts 104 outer mounting plate 102 is attached to the inner mounting plate 100 by bolts 105 mandrel 103 is an cylindrical member with 8 seal surfaces 110 117 and locating shoulders 120 and 121 fluid pressure communicates thru port 130 thru seal sub 131 drilled hole 132 and out port 133 similar flow paths occur in ports 134 135 and 136 at 90 degree spacings around the mandrel 103 body 140 provides a central locating shoulder 141 and end thread 143 which engaged by a gland 144 and an end thread 145 which is engaged by gland 146 the space between the central locating shoulder 141 and the glands 144 and 146 provides cavities for the insertion of seals 150 and 151 on one end and 152 and 153 on the other end this provides that when high pressure.