00.21 25mm Double Block & Shackle

00.21 25mm Double Block & ShackleThe 25mm plain bearing block range is one of Sea Sure's oldest and best selling ranges. The range uses marine grade stainless steel side plates and rivets with an arnite (plastic) sheave which is incredibly hard wearing and light. This range could be used to create purchase systems for lifting, garage door mechanisms, storage solutions etc. The 00. 21 can he used to create a 4: 1 purchase system to aid lifting of heavier objects and decrease the load

high shine surface finish

30 has a 316 stainless steel shackle at the top to make it simple and quick to attach

23-27   Back flap hinge             51mm  -  20mm

garage door mechanisms

09 Single Block features a hollow rivet at the top so that rope can easily be spliced or tied around the smooth rivet to create purchase systems or for soft attaching to a fixture

Our 19mm ball race blocks are designed to use used with ropes of 3-6mm

The use of carbon fibre needle roller bearings means that they run well even under high loads whilst freewheeling under light loads for fast line take-up

KONG are a world renowned manufacturer of safety and climbing hardware

86 triple block has an increased breaking load of 1300KG and is great for 6:1 purchase systems to decrease the load on the rope when handling

23 can he used to create a 4:1 or 5:1 purchase system to aid lifting of heavier objects and decrease the load on the rope

U bolts etc

B dimension height from plate to top of U