FLAT EDGES TO AVOID ROLLING 7''/18CM LENGTH, 1.5CM WIDTH, 1CM THICK LEAD SHAPE ALLOWS SHARPENING TO PRODUCE VARIED SHAPE/SIZE TIP INCLUDES SHARPENER WITH BUILT IN EMERY BOARD SPECIAL BEVELED BLADE HELPS AVOID BROKEN LEAD- SUITABLE FOR ALL TYPES INNER: 24 CASE: 144 FULL PRODUCT DIMENSIONS 8x23x4