Singing Rock REDBLOCK pulley with a load capacity of 13kN and a maximum rope diameter of 12mm. - Brand: Singing Rock - Model Name: REDBLOCK - CE Standard: CE 1019 - Maximum Rope Diameter: 12 mm - Load Capacity: 13 kN - Color: Red Thank you for viewing. I purchased this for rope handling practice, but I am selling it because I no longer use it. Please note that returns and refunds are not accepted after purchase.