Harken Triple Micro Block w/Becket- Fishing 22mm. They are ideal for sailboards smaller dinghies and lightly loaded control lines on boats of all sizes. Specifications for Harken 22mm Triple Micro Block w/Becket- Fishing: Manufacturer: Harken Color: Black Quantity: 1 Length: 22 mm Package Contents: Harken 22mm Triple Micro Block w/Becket- Fishing 22mm Triple Micro Block with Becket - FishingLow-friction Micro blocks are compact and lightweight.Specifications:Sheave: 22mm / 7/8in.Length: 64mm / 2.5in.Weight: 64g / 2.25oz.Maximum line: 6mm / 1/4in.Maximum working load: 227kg / 500lbBreaking load: 544kg/ 1200 lb Harken 229F: Triple Micro Block w/Becket- Fishing 22mm