Kernmantle Rope Sheaves
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Kernmantle Synthetic Rope Sheaves
The Sweeney Kernmantle Rope Sheaves or Kermantle rope pulleys are top quality sheave blocks for stunt and special effects rigging in the entertainment industry. They are designed by experienced professionals who know exactly what it takes to get the job done right. Safety, precision, and smooth operation are all part of the package. So whether it's rope pull stunts or special effects rigging, these sheaves have got you covered!
Show up on set with professional equipment that works every time!
We've got 3 styles of Kernmantle Rope Sheaves: the Pear snatch block, Diamond Rope Snatch block, and the 2 pulley Fiddle Block. They're perfect for 7/16" - 1/2" (11-13mm) kernmantel rope, but can also handle synthetic rope in smaller sizes.
These sheaves require a shackle we you can find the compatible shackles here.
Each pulley used in these sheaves are precision CNC lathed and hand finished out of 6061T6 aluminum. The pulleys are then hand finished prior to highquality Type II blue anodizing.
The axle is turned from 303 stainless steel on a Haas CNC. Turning center and then precision centerless ground to ensure a perfect fit. The double row high speed double sealed precision metric bearings are Totally quiet and smooth. The bearings are also replaceable so you know these blocks will last.
The 1/2" x 3.9" High Speed Diamond Snatch block features beckets on both ends that connect with shackles and carabiners for maximum flexibility in rigging. The double becket sheave enables the rigger to pre-align a direction change with minimum slack take-up. The inside of the cheeks have pockets to protect the lips of the pulley from damage and fouling by debris.
The 1/2 Kernmantle Rope Fiddle Block has one 3.9" and one 5.5" pulley each with high-speed double-row ball bearings for smooth quiet operation. The Double pulley configuration enables you to compound a pull-up or down.