Ordering Information
Sheave
Diam.
Rope
Diam.
Lines
Bearing
Cast Iron
Prod. Code
RWL
Wt.
Nylon
Prod. Code
RWL
Wt.
8-5/8"
3/4"
6 @ 1/4"
1"
1CS-60855R
1300 lb
46 lb
no code n/a n/a
8-5/8"
3/4"
8 @ 1/4"
1"
1CS-80855R
1300 lb
52 lb
no code n/a n/a
12"
3/4"
6 @ 1/4"
1"
1CS-61255R
3000 lb
72 lb
1NS-61255R
3000 lb
40 lb
12"
3/4"
8 @ 1/4"
1"
1CS-81255R
3000 lb
79 lb
1NS-81255R
3000 lb
41 lb
12"
3/4"
10 @ 1/4"
1"
1CS-101255
3000 lb
86 lb
no code n/a n/a
16"
1"
6 @ 3/8"
1-1/2"
1CS-61655R
3600 lb
139 lb
     
16"
1"
8 @ 3/8"
1-1/2"
1CS-81655R
3600 lb
147 lb
no code n/a n/a

Double Purchase: Change "S" to "D" in the part number for double purchase head blocks.
 
Wire Guide Blocks: Change the "R"suffix to "W" in the part number for blocks with tieoffs for arbor wire guides.
 
Tieoffs: Tieoffs for wire guided clews are also available.