Water level indicator Dial size mechanical water level indicator Range of dial size in diameter: 300mm, 400mm, 600mm & 9oomm Body: mild steel body (finish with polyester coating) Pulley: aluminium Gear / worn: brass to delrin Float: stainless steel ss304 Counter weight: stainless steel ss304 Cord (54ft): stainless steel ss304 Back cover: long Dial marking: standard 15kg -25kg per crate