Supply your inspiration with a tool set that makes cutting and measuring easy and safe! This set includes a 12" aluminum non-skid ruler, a multi-purpose self-healing cutting mat and a light-duty hobby knife, ideal for applications that require both measuring and cutting precision. Details: 6 setsSelf healing matContents: 8 5/8" x 11 3/4" (21.7cm x 29.4cm) cutting mat12" (30.4 cm) rulerHobby knife