Cablecraft ERK Large Standard Marker Kit come with numbers, letters, symbols and carrier strips for great convenience and economy. The kit contains Black on Yellow markers and a selection of carrier strips. This K-type markers are ideal for identifying large cables, conduit and pipes, either before or after termination. This kit contains 100 of each A to Z, 0 to 9, +, -, /, earth with 200 x 12 digit carriers and 100 x 7-digit carriers.