Staedtler Triangular Plastic Scales

White plastic triangular scales for drafting.

987-19-31BKÂ Â Â Â Imperial Architect

987-19-4BKÂ Â Â Â Â Â Metric Architect

987-19-34Â Â Â Â Â Â Â Â Â Imperial Engineer

987-19-1BKÂ Â Â Â Â Â Metric Engineer/Architect