Targ8 Stores › Aluminium Ruler 30cm with centre ridge cm/inches Aluminium Ruler 30cm with centre ridge cm/inches £2.33 30cm Aluminium Ruler With a centre ridge Get notified by email when this product is in stock. Sign up to receive news and updates. Add To Cart Added! 30cm Aluminium Ruler With a centre ridge Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like A2+ Cutting Mat 3 ply self heal non slip £23.28 French Curve Set clear plastic set of 3 £3.19 Steel Clips for Drawing Board EACH £0.74 Acrylic Gel Medium MATT 500ml £26.83 A5+ Cutting Mat 3 ply self heal non slip £3.06