PS OTT-BT/SK (PULL STUD) : BT/SK pull stud with OTT system retention knob.
  DesignationSSGD1D2D3LL1L2GICATGIREMgiic
  PS OTT BT40 M16 40M1625.0021.1017.016.6056.028.004650702 0
  PS OTT SK40 M16 40M1625.0021.1017.013.6053.025.004602257 0
  PS OTT BT50 M24 50M2439.3032.0024.013.3565.025.004656108 0