MYLEK 4ORCE: Manufactured with high quality materials. Manufactured with Tungsten, HSS and CRV materials which helps retain good durability even iwhen used in the toughest of conditions, using high quality materials enable the screwdriver bits and drill bits to perform and offer longer life and durability than standard sets CONTENTS 1: 1pcs ratcheting screwdriver handle: left / right / 1pcs hole saw adaptor with drill: C45 / 4pcs drill stopper: 3, 6, 8, 10mm / 3pcs Flat wood bits: 13, 16, 19mm / 5pcs Masonry drill: 4, 5, 6, 8, 10 mm / 1pcs magnetic bit holder: 60 mm / 14pcs screwdriver bits: 50mm, CrV6150, HRC 52-55, Slotted 3/4/5/6/8mm, Phillips #1, #2, #3, PZ1, PZ2, PZ3, Star T10, T15, T20 CONTENTS 2: 14pcs Brad Point Drill Bits: C45, HRC 40-45, 3.0x3, 3.5, 4.0x3, 4, 5, 5.0, 5, 5, 6.0, 6, 5, 8.0,10.0mm / 1pcs flexible drive: 150mm / 84pcs wall plugs: material PP, grey colour, different sizes assorted / 20pcs screwdriver bits: 25mm, CrV6150, HRC 52-55 Slotted: 3, 5, 6, 8mm, Phillips: #0, #1, #2,#3, Square: S1, S2, S3, Star: T10, T15, T20, T25, T30, PZ0, PZ1, PZ2, PZ3 CONTENTS 3: 38pcs HSS 4241 drill bits: titanium coated, edge ground, DIN 338, 118 degree, HRC 58-64: 1.0x4, 1.5x4, 2.0x4, 2.5x4, 3.0x3, 3.2x4, 3,5x2, 4.0x3, 4.5x2, 4.8x2, 5.0, 5.5x2, 6.0x2, 6, 5 / 10pcs Nut driver: 50BV30, HRC 30-50, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm / 1pcs counter sink / 4pcs hole saws with arbor: 32, 38, 44, 54 / 2pcs screw finders: ABS material / 1pcs allen key / 1 X carry case WARRANTY: The Mylek 4ORCE Drill Accessory Set with carry case is fully backed up with a 2 Year Warranty, Manufacturer: MYLEK