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Blocks are a key component in lifting and rigging systems, used to redirect loads, manage tension, and control lifting direction. At Holloway Houston, we supply a wide range of lifting blocks designed to work with both wire rope and natural rope setups. Whether you're lifting vertically or shifting a load at an angle, the right block can make the task more efficient. Our inventory includes light-duty and heavy-duty models from trusted names like McKissick, Crosby, De Haan, and Yoke supporting crane systems, hoists, field operations, and permanent rigging setups.

We stock multiple ends fitting types, with swivel hook and swivel eye blocks being the most common. A swivel hook block allows rotation under load, keeping rope alignment consistent during lifts. This function supports lifts that may need directional adjustment mid-operation. A swivel eye block, by contrast, provides a rotating sheave while keeping the eye fixed, commonly used in setups with static mounting. Both types reduce rope twist and distribute stress across the lifting gear.

For wire rope applications, we supply blocks with grooved steel sheaves that maintain rope placement during high-load lifts. Natural rope blocks are available as well, often chosen for marine use or hand-operated pulley systems. Models built for wire rope are typically made with drop-forged steel and are designed for higher working load limits (WLLs), supporting up to and beyond 7 tons in some designs.

Our lineup includes the Yoke 3" Sheave Light Snatch Block for 8mm–10mm wire rope, rated for up to 2 tons. For larger lifts, we provide snatch blocks and fixed blocks with sheave sizes from 3 inches to 14 inches. These are used in job sites such as offshore rigs, fabrication yards, and infrastructure projects where larger components and machinery need movement or positioning.

We carry a full range of McKissick blocks by Crosby, known for their consistent build quality and dependable lifting performance. The McKissick 402, 404, 418, 419, 430, and 431 series are widely used across construction, marine, and utility projects. These models come with wire rope or natural rope sheaves, and are available with hook, eye, or shackle fittings. Many include bolt-retained sheaves and quick-open side plates for easy rope access. With sheave diameters ranging from 3 inches to over 12 inches and load capacities up to 15 tons, McKissick blocks provide solutions for a wide load range.

We also stock De Haan Special Equipment blocks—used in lifting systems that demand high performance under challenging conditions. De Haan products are designed for smooth function during vertical and angled lifts and are common in offshore, dredging, and heavy transport sectors. Their blocks are built to handle high-capacity lifts and meet the needs of specialized industries that deal with dynamic load management. View our full range of De Haan blocks here.

Yoke blocks round out our offering with a balance of performance and practicality. The TU snatch block and HF block series are designed for reliable lifting and easy field use. Models like the TU484 include quick-open side plates and bolt-retained sheaves, making rope changes fast during field operations or maintenance jobs.

When choosing a block, match the sheave size with rope diameter and consider the required WLL. Larger sheaves reduce rope stress and offer smoother operation. For instance, a 6-inch block with a 5-ton rating provides a good balance of control and lifting strength. Our blocks are available in sizes from 3 inches to 14 inches, with capacities ranging from 0.5 to over 15 tons, depending on the model and brand.

Applications for our blocks span multiple industries. Construction crews use them to lift steel beams, piping, or machinery. In marine setups, blocks are used for cargo management, mooring, and onboard rigging. Utility crews rely on them for raising transformers and pole hardware. In warehousing or plant maintenance, blocks are often paired with overhead hoists or gantry systems for repetitive lifting tasks.

Holloway Houston helps customers build complete lifting systems. Along with blocks, we stock wire rope slings, chain slings, shackles, master links, hooks, and lifting points—each available in matching capacities. This helps maintain consistency across the setup and supports proper load handling practices.

On our website, each block listing includes detailed product specs. You can sort by sheave size, WLL, rope type, fitting, finish, and brand. Diagrams and usage notes are available to help with compatibility. Whether you need a galvanized finish, sealed bearing, bolt-retained sheave, or weather-resistant coating, options are listed clearly. For example, Crosby L-160 and L-170 models offer weather protection and sealed components for outdoor or offshore work.

You can also filter by hook style, sheave material, or groove type—allowing you to choose a block that aligns with your lifting setup. Some models allow for rope loading without full disassembly, which is useful for time-sensitive field work.

In the Blocks section of our website, you’ll find trusted options for every lifting scenario. From McKissick by Crosby to De Haan Special Equipment and Yoke, Holloway Houston offers a complete range for lifting professionals. Whether you're building a system from scratch or upgrading a current rig, our block inventory supports efficient, dependable handling.