This high quality cassette aimed at the professional user is available in 3 different assortments. Slimline pocket design: 110 mm x 65 mm x 15 mm. Secure latch system - easy opening and safe closing. Extra side compartment accepts either 50 mm screwdriving bits or drill bits. Front window to protect bits from dust. High quality screwdriving bits with hardness of 60 HRC and 1/4" Hex reception. 25 mm bits manufactured according to DIN 3126 - C 6.3. 50 mm bits are manufactured according to DIN 3126 - E 6.3. HSS-G Metal drill bits are ground from one piece of solid high speed steel according to DIN 1412 C. Split point shaped cutting tip with 135° angle for improved centering. Type N flue design for for fast chip removal. Reception manufactured according to DIN 3126 - E 6.3. Suitable for drilling in steel, cast iron, alloyed and non alloyed material up to 900 N/mm². . Magnetic bit holder with quick release clutch.