Ideal for drilling and driving fixings into multiple materials within a variety of applications including installation of shelves with common sized Black + Decker screwdriving pieces perfectly designed for furniture assembly and other DIY home needs. Can be used on concrete, masonry, brick walls, breeze blocks, wood, metal, plastic, ceramic tiles, slate, marble and dry wall.The BLACK+DECKER Drilling and Screwdriving 254 Piece Set is perfect for getting you started with drilling and screwdriving. This set enables you to complete basic DIY tasks around the home and even automotive efficiently, with all the powertool accessories you need to tackle most jobs, saving you the hassle of sourcing individual accessories depending on the task. Comes with:Large case: 13x Bradpoint Drill Bits 2x 3 & 5mm 1x 3.5, 4, 4.5, 5.5, 6, 6.5, 7, 7.5 & 8mm, 12x HSS-TiN Drill Bits 2x 2 & 3mm 1x 1.5, 2.5 ,3.5, 4, 4.5, 5, 5.5 & 6mm, 5x Masonry Drill Bits 3, 5, 6, 8 and 10mm, 10x Nut drivers 2x 5mm 1x 5, 6, 7, 8, 9, 10, 11, 12 & 13mm, 57x 25mm Screwdriver Bits (3x Ph1, Ph2, Ph0 4x Ph3, 3x Pz1, 4x Pz2, Pz3, Pz0, 2x Sl4, Sl6,Sl7.2 3x Sl5, 1xStar 10, 15 2x Star 20, 25, 27, 30, 1x Square 1, 2, 3, 2x Hex 4, 5 3x Hex 6), 10x 50mm Screwdriver Bits (1x Ph1, Ph3 2x Ph2, 1x Pz1, Pz2, Pz3, 1xStar 10, 15, 20 1x Magnetic bit holder for 25mm bits 1x Countersink)Small case: 6x HSS Shiny Hex shank bits 2, 2.5, 3, 4 & 5mm, 30x 25mm Screwdriver Bits, 2x Ph1, Ph2, Ph3, 2x Pz1, Pz3 4x Pz2, 2x Sl6, 1x Star 10 2x Star 15, 20, 25, 2x Hex 4, 1x Hex 5, 6, 1x TT 15, 20, 25, 8x 50mm Screwdriver Bits, 1x Ph1, Ph2, 1x PZ1, Pz2, Pz3, 1x Sl6, 1x T20, 25, 1x Magnetic screw drive guideFixings Pots: X2 Pots containing x50 6mm red fixing wall plugs, x50 screws