20mm Cover Block- 500Pcs

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Description

1. In construction, cover blocks are used to ensure that reinforcing bars or rebars are put into the concrete at the proper depth.
2. In order to preserve the rebar from environmental variables including weathering, erosion and corrosion, the proper depth is crucial.
3. Cover blocks are used to maintain the required distance between the reinforcement bars and the outer surface of the concrete to ensure durability and prevent corrosion.

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