Twin-Cam block with Endless furling line, ø10 mm / 2x15000 mm, 16 plait Polyester, Grey/BlackTwin cam block with endless furling line for downwind furlers CX25 and GX15. The Twin cam block is a fiddle block with two cam cleats for superior control and locking of an endless furling line used for a downwind furling systemen. Attached to a pad eye or a stanchion, it is easy to lock unlock the line. 16 plait Polyester line is soft and therefore best suited for line drivers as used for downwind furlers and furling masts. Diameter: 10 mm Length: