The Allen 20mm Ball Block And Becket features the well-known and innovative Dynamic bearing system, offering an unmatched balance of weight and performance. Accompanied by a durable and rope-friendly stainless steel ultra-strap, these ball bearing blocks are among the most reliable and sturdy on the market. Different types of accessories such as lacing eyes, hooks, swivels, and cleats are available in the range, along with a central rivet perfect for using as a tie on becket. No matter the control line application, there is a 20mm block in this range to suit your needs.