Seldén PBB Horizontal Plain Bearing Block, Double Sheave, Quick Lock / 60mm ø / CCW

Simple blocks with plain bearings. Can be used as easy-running, low-cost blocks. Plain bearings can withstand high standing loads.Technical features:Spring-loaded arm for precise and reliable clamping function. The spring holds the arm in the open and closed position.Quick-Lock function for short-term useAcetal washer (PBB 60)GRP washer with polymer bushing (PBB 80)Extra strong jaws made of glass fiber reinforced composite plastic prevent the line from jamming.The lateral forces are absorbed by a stainless steel bracket that is incorporated into the jaws. A safety feature that is typical of Seldén products.* Screws not included.** The loads on the upper pulleys are reduced by 50%.