describe Super long 200mm 8pcs drill set, high speed steel drill, straight rod diameter 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm, drilling tools Fo products ship according to color or size main picture of product page. 8 TAILLE DIFFERENT: Forets hlico?daux existse 8 diameters, 4 4.2 4.5 5 5.2 6 8 10mm, des trous de diffrentes tailles pour rpondrevos besoins MATRIAU DE HAUTE QUALIT: Notre mches hlico?dales sont en acier haute vitesse HSS 4241, procd de fraisage complet, pour une duret et une durabilit levesULTRA-LONG: Le tranchant extra-long de totale 200 mm vous permet d'utiliser ces forets pour percer des trous profondsAVANTAGE: Precise positioning, high cutting speed, chip removal Strong force, good wear resistance, spring drilling is easier to drill. Wide range of uses: Forest high speed steel is suitable for steel forming parts, spring steel, white steel, steel, angle, aluminum, copper, wood and stainless steel 1-4 mm, etc., drilling various materials, sets of spiral bodies, HSS HSS round tail? 4 - 10mm, 200mm drilling tool for wood, metal and steel Features: - Spiral design twists, easy to remove sawdust from wood, iron shavings at work. - 8 different diameters to choose from, 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm. - For DIY projects, crafts and general construction engineering applications - our extra long augers are high speed steel fast steel and are fully charged compared to other products. -il has precise positioning, fast cutting, high chip removal and good wear resistance. Specifications: Material: High Speed Steel Diameter: 4mm, 4.2mm, 4.5mm, 5mm, 5.2mm, 6mm, 8mm, 10mm Length: Appropriate. 200mm Quality: 8 Pieces Package Contents: 8 x Augers