Celco 60 Degree Set Square 21cm Clear – Precision Ruler for School, Drafting & Art

You need a clean 60-degree angle and the old triangle's got a wobbly edge you can't trust. This Celco 21cm set square delivers a true 60° in clear, tough plastic. You see the page underneath while you rule. No guesswork. Pairs with the 45° square for a complete standard maths set. $1.15 RRP. Add to cart and get your lines back on angle

• True 60-degree angle for clean, consistent lines every time
• 21cm length rules straight across A4 width without repositioning
• Clear transparent plastic – see your work underneath while ruling
• Durable construction built for daily classroom and studio use
• Part of the standard Australian maths set alongside the 45° square