The diameter of them, is depending on the flangesize, and the thickness from the Pressure Class of aflange. Dimensions from Spectacle Blinds, Spadesand Ring Spacers, you will find in the main Menu “Flanges”

Typically a Spade and Spacer will be identified by the word “SPADE” or “SPACER” stamped on the handle, to clearly indicate what is in the line. Additionally it will be clearly marked with its size, rating, standard, material, heat number, Balcombe Stamp, and production traceability code. Many clients ask to have their own part identification and process traceability stamped on the Spade and Spacer.