The Rutgerson deck blocks with plain bearings are made of aluminum or high-strength composite material (KST) and are designed for high loads. Type 40 and 60 are each mountable on top of each other and thus flexibly adaptable to the deck layout. The maximum holding force of the clamps is 300kg, the clamp radius (D) is 77mm. Designation A mm B mm C mm Working load kg Breaking load kg Max. line-Ø mm Screws Type 40 Single sheave with clamp 82 40 49 600 1200 4-12 2xM6* Type 60 Single sheave with clamp 107 60 60 750 1500 8-14 2xM6* * Screws for fastening are not included.