SEMA 1738 Quick Set Masterbow Compass + Extension Bar

SEMA 1738 Quick Set Masterbow Compass + Extension Bar is a high-precision drawing compass set engineered for seamless geometric constructions in South African educational and professional environments. This 170mm silver quick-set masterbow compass features an innovative quick-set mechanism with 2 knee-joints for effortless radius adjustments, paired with a 170mm extension bar to expand drawing capabilities up to 340mm diameter circles. Supplied in a durable protective case, it's perfect for school mathematics classes, technical drafting, or design projects, fully supporting CAPS Mathematics and Technology curriculum with included spare leads for continuous productivity.