HomeSelect Category Pylons-ClampsFoot AdaptorsShuttle LocksDouble Head Adaptors4 ProngRotatable 4 Hole Adaptors4 Hole AdaptorsConnector Cover About usContact usSuction valve Pyramid with 4 holes It is used to connect socket and pylon, 8.5mm center hole.Alloy : Stainless steelWeight: 93 grBuild Height: 25mm Download file Pyramid with 4 holes It is used to connect socket and pylon, 8.5mm center hole. Alloy : Aluminum Weight: 70 gr Build Height: 25mm