Glass fiber pencil 4mm / Glasfaserstift 4mm
AK-8058
AK Interactive S.L.

The fibre tip that can be replaced by a new one when worn out.
*Recommendable: Work in glasses and gloves, and thoroughly clean the workplace with vacuum cleaner after finishing the job. The small pieces of glass fibre that crumble during the sanding process, can be really dangerous.
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