Standard or Nonstandard:Standard Style:Mechanical Seal Material:lead Color:gray Product name:Security water meter lead seal F024 Application:Seals for water meter,electricity,money bag,ballot box,meter box ect Size:8*4MM Name:meter seal Certificate:ISO9001:2008 Head diameter:Height:5mm, OD:8mm Weight:1.5g Type:Disposable Packing:cartons or customer request