The RT line turns 30 years of experience into a full ALL ROUND range of components designed for a great variety of boats. RT blocks can carry high loads while ensuring smooth rolling thanks to TORLON (HIGH LOAD line) or DELRIN (LOW LOAD line) roller bearing. On the Delrin, balls in two holding cages support side loads, while every tiny detail on the block cheeks is meticulously designed. The design of the RT blocks allows for the use of both with a traditional mechanical connection (with HR shackle on HIGH LOAD models) or with a textile connection (RTSh/RTShG), as well as for use as a becket. Each cheek plate of the blocks are machined from solid bar stock, which are interlocked and secured by fixing screws, this guarantees unparalleled strength and durability and longevity. The sheave is machined of high strength aluminum alloy (including the smaller sizes), which guarantees excellent rolling, even under heavy loads.