stainless steel chain block

stainless steel chain block is corrosion resistant and widely used for food grade environment or marine usage.
    Description
    What is the advantage of stainless steel hand chain block ?
    It is corrosion resistant,a suitable option for food industry hygienic room or marine usage.
     
    Is the hand chain block made of 304 stainless steel totally?
    Part and Full stainless steel are optional.
    Part stainless steel : upper hook and bottom hook,hand chain and load chain,chain giude,casing are made of stainless steel.Other spare parts are chrome coated.
    All Parts are made of stainless steel including cover,hand chain wheel,hand chain,lifting chain ,lifting chain sprocket,ratchet,clutch,bolt,shaft,gears,upper and bottom hook etc.
     
    model HSS-A0.5 HSS-A1 HSS-A2 HSS-A3 HSS-A5 HSS-A10 HSS-A20
    Rated
    capacity
    0.5T 1.0T 2.0T 3.0T 5.0T 10.0T 20.0T
    standard
    lifting height
    3m 3m 3m 3m 3m 3m 3m
    chain falls 1 1 2 2 2 4 8
    chain size 6mm 6mm 6mm 8mm 10mm 10mm 10mm
    A 142mm 140mm 180mm 180mm 210mm 358mm 580mm
    B 120mm 120mm 140mm 140mm 162mm 162mm 189mm
    Hmin 270mm 270mm 486mm 486mm 616mm 700mm 1000mm
    D 142mm 180mm 180mm 180mm 210mm 210mm 210mm
    N.W. 9kg 10kg 14kg 21kg 35kg 68kg 170kg
    G.W. 11kg 12kg 16.5kg 24kg 38kg 73kg 190kg