Sealey Black/Yellow Post & Chain Kit 25m BYSBKITHighly visible post and chain kit ideal for creating a temporary safety barrier when working on hybrid and electric vehicles. Consists of six black yellow posts, six bases, 25m x 6mm black yellow plastic chain and chain securing hooks. Only fill post base with dry sand when working around electricity. Specifications Detail Highly visible post and chain kit ideal for creating a temporary safety barrier when working on hybrid and electric vehicles.