Pulley block single with hook heavy type k type

size:       safe working load        diam of rope
3"               0.5ton                  8mm
4"               1ton                   10mm
5"               1.5ton                 13mm
6"               2ton                   16mm
7"               3ton                   19mm
8"               4ton                   22mm
10"              5ton                   25mm
12"              6ton                   28mm

We also havemany other type:
Pulley block single with eye heavy type ktype
Pulley block double with hook heavy type k type
Pulley block single with hook heavy type b type
Pulley block double with eye heavy type b type