Durock Screw-In Stabilizers (V3) specifications: 

• Housing Material: Nylon Polymer
  
• Stem Material: Nylon Polymer
• Updated Stems for a more flexible wire tolerance and smaller wire gap
• Screw-in, PCB Mount
• Soulmate Mod Kit included in Standard Set

Include:

• 4 2U Sets
• 1 6.25U Set
• 1 7U Wire
• 1 Soulmate Mod Kit