Size 25PCS. 【Various Types of Lead Refills】 The set has appropriate hardness & smooth lead refill for your daily art writing and drafting. 360PCS black HB lead refill 0.5 & 0.7 & 0.9 mm. 48 PCS 2mm of different hardness( 2B HB 2H 4B)＆24PCS 12 assorted colors graphite lead refills lead refills for art shading.