This 10-piece Tivoly SLR metal drill bit set is crafted from HSS-Co(5%) for high-performance drilling in steels, stainless steels, and cast irons. Each bit features a 135° split-point tip for automatic centring, a 35° type N flute for efficient chip evacuation, and SLR laser depth graduation for precise hole depth control. Sizes Ø 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10 mm cover a broad range of applications. All bits come in a compact CLIPSTER case for secure storage and easy transport.