Alpha International is the authorized distributor for Staedtler MARS GmbH & Co. KG. Staedtler is a prominent manufacturer of stationary. Staedtler offers MARS micro carbon leads for extra-long writing, high resistance to breakage and maximum elasticity. There are different range of leads offered are 0.3 [HB], 0.5mm [B, 2B, HB], 0.7mm [B, 2B, HB] and 0.9mm [B, HB]
