Petra Phoenix Methmatical Drawing Instruments Geometry Box

Premium HB Pencil – sharp, smooth, and break-resistant High-Precision Changeable Compass – firm grip & steady rotation Metal Mechanical Pencil – balanced weight, clean lines Crystal-Clear Ruler (15cm) – anti-warp & bold markings Two Set Squares – perfect 45° & 60° accuracy Protractor (180°) – ultra-readable bold markings 2B Lead Jar – clean writing, smooth shading Non-Dust Eraser – soft, clean & smudge-free Spare Compass Attachment – easy replace, long life Organized Double Inner Tray