Ideal Steel Blocks for Manila Rope

These blocks have drop forged, flatted hooks. The front eye of the hook moves freely in the strap. Blocks are available either painted or galvanized, with iron or bronze self-lubricating bushings. Roller bushed blocks available on special order.

Block Size, Inches 3 4 5 6 8
Diameter Rope, Inches 3/8 1/2 5/8 3/4 1
Sheave
Size
Inches
O.D. 1 3/4 2 1/4 3 3 1/2 4 3/4
Rim Thick 1/2 5/8 3/4 1 1 1/8
Ctr. Pin Dia. 3/8 3/8 3/8 1/2 5/8
Weight
in
Pounds
Single 1 2 2 1/2 3 1/2 8
Double 1 1/2 3 3 1/2 5 1/2 11 1/2
Triple 2 3 1/2 5 7 15
Working
Load Limit*
Pounds
Single 300 500 700 1,200 1,800
Double 400 600 900 1,600 2,500
Triple 600 900 1,500 2,000 3,200

Gin or Roofers’ Block for Manila Rope

Note: SL stands for self-lubricating bushings, PL for pressure lube. This block is furnished with a drop forged, flatted, swivel hook with latch Roller bushing. Painted finish.

Block Size
“/mm
Rope Diam
Inches
Sheave Size, Inches Block Weight, Lbs WLL
lb/kg
Cat. No.
Outside Diam. Rim Center Pin Diam. Block Replacement Sheave
12/305 1 12 1 3/8 5/8 13 1000/454 726-9812 734-3922
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