The Allen 30mm Plain Bearing Fork Block with Sa.873 comes with a heavy-duty ILCA vang key, designed for use as the top Vang block. Made from recycled plastics, this block features a removable clevis pin for easy attachment and replacement of the vang key. Its acetal sheave spins around a central axle, providing a long lifespan and low maintenance. Additionally, the block has a becket hole in the middle for tying off purposes.