Low-friction Micro blocks are compact and lightweight. They are ideal for sailboards, smaller dinghies, and lightly loaded control lines on boats of all sizes.Note: DO NOTuse Harken equipment for human suspension unless product is specifically certified and labelled for such use.Part NumberSheave DiameterLengthWeightMax. Line DiameterFastenersMounting Hole SpacingMax. Working LoadBreaking LoadHKN-23322mm64mm21g6mm5mm RH52mm91kg544kg








