for round rod Ø 8
for length of housing (GH) = 18 mm
for length of housing (GH) = 30 mm
for length of housing (GH) = 36 mm
for length of housing (GH) = 40 mm
for length of housing (GH) = 50 mm
for length of housing (GH) = 60 mm
increases the compression distance of the lock by 4 mm