With the Edding 8870 deep hole marking pen, you can mark drill holes easily and accurately. This striking neon green colour makes it clearly visible on almost any surface to be drilled. Ideal for both the do-it-yourself and professional worker. The writing width is adjustable: minimum 3mm and maximum 13mm, so you can work more precisely than ever. After the job, simply wipe away the green marking. The Edding spray marking pen lasts up to 250 uses.