Made in-house by Spark R&D. 55mm (12Adeg) and 75mm (18Adeg) wires offer comfortable angles for any skin track. Comes with a heel adapter that screws right into your splitboard inserts, and places your dual height wires right where they need to be, hitting the perfect spot on the heel of your hardboot regardless of size.Includes: one pair of dual height wires, wire blocks, heel adapter plates, and mounting screws.Weight: 3.46 oz/ea (98g) - 6.91 oz/pr (196g)Compatibility Recommended for use in conjunction with Spark Tech Toes or Phantom Tech Toes. Can also be paired with Dynafit Toe Pieces using Dynafit Toe Adapter Plates. Compatible with all splitboards using the industry standard splitboard insert pattern.