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Pulley Blocks Pulley Blocks for Wire Rope Pulley blocks, also known as shell blocks, consist of a single, double, or triple pulley enclosed in a housing that has mounting hardware for suspending the block. A rope end is fed through the housing for operation. Most often the mounting hardware is a hook, eye, or shackle (see mounting hardware styles below). However, some units have mounting holes so you can attach your own mounting hardware (this style is also known as a tail block). Pulley-access blocks, also known as snatch blocks, open from the side (see styles below) so it's easier to install the rope—no free rope end is needed. They consist of a single or double pulley enclosed in a housing that has mounting hardware for suspending the block. Most often the mounting hardware is a hook, eye, or shackle (see mounting hardware styles below). Some units also include a tie-off bracket (also known as a becket) mounted to the housing for easier set up in multiple-block applications. Steel— The strongest pulley blocks we offer. Zinc-plated and galvanized steel are corrosion resistant. Heavy duty steel are heavier gauge to withstand the most demanding conditions. Stainless Steel— Offer superior corrosion resistance. Bearings— Plain bronze bearings are long lasting for use in slower moving applications. Roller bearings spin freely without resistance. Ball bearings have less friction, making them ideal for faster applications and quick direction changes. Plain bore pulleys ride directly on the shaft. For Work Mounting Mounting Pulley- Rope Pulley Load Hardware Hardware Access O'all Dia. OD Limit, lbs. Style Opening Style Lg. Each Pulley Blocks with Single Pulley Zinc-Plated Steel Housing with Zinc-Plated Steel Pulley— Plain Bronze Bearings (Unless Noted) 1 3/16" 2" 600 Swivel Hook w/Latch 5/16" ___ 4 5/8" 3099T49 $16.34 1 3/16" 2" 600 Rigid Eye 3/8" ___ 3 3/4" 3099T54 7.65 1 3/16" 2" 600 Swivel Eye 5/8" ___ 4 1/4" 3099T14 9.67 1 1/4" 2 1/2" 685 Swivel Hook w/Latch 1/2" ___ 5 3/4" 3099T53 19.28 1 1/4" 3" 800 Swivel Hook w/Latch 1/2" ___ 6 1/4" 3099T59 22.29 1 1/4" 3" 800 Rigid Eye 3/8" ___ 4 13/16" 3099T58 12.92 1 1/4" 3" 800 Swivel Eye 7/8" ___ 5 5/8" 3099T18 15.91 1 5/16" 3 1/2" 1,550 Swivel Hook w/Latch 13/16" ___ 8 1/2" 3099T61 33.56 1 5/16" 3 1/2" 1,550 Rigid Eye 9/16" ___ 6 1/2" 3099T62 22.42 1 5/16" 3 1/2" 1,550 Swivel Eye 1 3/16" ___ 7 5/8" 3099T22 27.17 1 3/8" 3 1/2" 1,550 Swivel Hook w/Latch 13/16" ___ 8 1/2" 3099T68 33.56 1 3/8" 3 1/2" 1,550 Rigid Eye 9/16" ___ 6 1/2" 3099T69 22.42 1 3/8" 3 1/2" 1,550 Swivel Eye 1 3/16" ___ 7 5/8" 3099T108 27.17 2 1/2" 4" 2,000 Swivel Eye 1 3/8" ___ 8 3/4" 3170T27* 144.27 Painted Steel Housing with Cast Iron Pulley and Tie-Off Bracket— Plain Bronze Bearings 3 3/8" 6" 6,000 Shackle 2 11/16" ___ 17 5/16" 3129T65 206.10 Heavy Duty Steel Housing with Manganese Pulley— Roller Bearings 4 3/8" 4" 10,000 Shackle 1 1/4" ___ 7 3/4" 8545T32 345.18 4 1/2" 6" 13,000 Shackle 1 1/2" ___ 10 1/2" 8545T33 451.53 4 5/8" 8" 13,000 Shackle 1 3/4" ___ 14 1/2" 8545T34 619.96 4 3/4" 10" 13,000 Shackle 1 3/4" ___ 16 1/2" 8545T35 759.74 4 7/8" 12" 25,000 Shackle 2 1/4" ___ 19 3/4" 8545T36 1106.81 Type 300 Stainless Steel Housing with Plated Steel Pulley— Ball Bearings (Unless Noted) 5 3/16" 1 1/4" 166 Mounting Holes 3/16" ___ 1 3/4" 3213T52 9.05 5 3/16" 1 1/4" 166 Swivel Eye 3/8" ___ 2 3/4" 3213T57 12.16 5 1/4" 1 3/8" 166 Swivel Eye 3/8" ___ 2 13/16" 3213T59 • 8.65 Pulley Blocks with Double Pulley Zinc-Plated Steel Housing with Zinc-Plated Steel Pulley— Plain Bronze Bearings 6 3/16" 1 1/2" 525 Swivel Eye 5/8" ___ 3 13/16" 3099T23 13.97 6 1/4" 3" 800 Swivel Eye 7/8" ___ 5 5/8" 3099T26 26.52 6 5/16" 3 1/2" 1,550 Swivel Eye 1 3/16" ___ 7 5/8" 3099T27 44.23 Pulley-Access Blocks with Single Pulley Zinc-Plated Steel Housing with Zinc-Plated Steel Pulley— Plain Bronze Bearings 7 3/16" 2" 600 Swivel Eye 5/8" Removable Pulley 4 1/4" 3099T13 10.83 7 1/4" 2 1/2" 685 Swivel Eye 5/8" Removable Pulley 5" 3099T15 14.45 7 5/16" 3 1/2" 1,550 Swivel Eye 1 3/16" Removable Pulley 7 5/8" 3099T21 28.34 7 3/8" 3 1/2" 1,550 Swivel Eye 1 3/16" Removable Pulley 7 5/8" 3099T41 28.34 Pulley is powdered metal. Has roller bearings. Pulley is nylon. Has no bearings.