Harken Triple Micro Block w/Cam Cleat- 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/Cam Cleat- Fishing: Manufacturer: Harken Color: Black Quantity: 1 Package Contents: Harken 22mm Triple Micro Block w/Cam Cleat- Fishing 22mm Triple Micro Block with Cam Cleat - FishingLow-friction Micro blocks are compact and lightweight.Specifications:Sheave: 22mm / 7/8in.Length: 51mm / 2in.Weight: 99g / 3.5oz.Maximum line: 6mm / 1/4in.Maximum working load: 227kg / 500lbBreaking load: 544kg/ 1200 lb Harken 230F: Triple Micro Block w/Cam Cleat- Fishing 22mm