CLGR® Malleable Iron Shell Block Triple Sheave with Hook, also known as Malleable Triple Sheave Pulley, Steel Shell Blocks For Fiber Rope.
This malleable iron shell block double sheave is designed for manila rope service and features a galvanized finish with a hook attachment.
Available in 4″, 6″, 8″, 10″, and 12″ sizes, with respective working load limits of 2,200, 4,000, 7,000, 11,000, and 16,000 lbs.
Every block is clearly marked with size and WLL; certification is available upon request.
Brand | CLGR® |
Type | Malleable Iron Shell Block Triple Sheave with Hook |
Material | Malleable Iron |
Surface Finished | Hot Dipped Galvanized |
Size | 4″, 6″, 8″, 10″, 12″ |
Origin | China |

No. | Size | W.L.L | Dia of Rope | L | A | B | Net Weight |
in | lbs | in | mm | mm | mm | kg | |
CRMBTH-4 | 4″ | 2200 | 1/2″ | 327 | 105 | 74 | 2.2 |
CRMBTH-6 | 6″ | 4000 | 3/4″ | 440 | 127 | 109 | 5.6 |
CRMBTH-8 | 8″ | 7000 | 1″ | 552 | 140 | 145 | 13 |
CRMBTH-10 | 10″ | 11000 | 1-1/4″ | 638 | 196 | 182 | 21 |
CRMBTH-12 | 12″ | 16000 | 1-1/4″ | 712 | 196 | 236 | – |