Dimensions: ? 21 mm. Made from high hardness and wear-resistant alloy. Thermally hardened teeth, providing great stability at the cutting edges. Reinforced crown base. Lateral holes for chip removal and better cooling. Ideal for making holes in mild steel, cast iron, brass, aluminum, and wood. This item is also known as wood drill, wood saw, or wood hole saw. Bimetal saw ? 21 mm thermoplastic hardened, reinforced base, wood crown, wood hole drill, steel, iron, plastic. Bimetal saw ? 21 mm thermoplastic hardened, reinforced base, wood crown, wood hole drill, steel, iron, plastic. Bimetal saw ? 21 mm thermoplastic hardened, reinforced base, wood crown, wood hole drill, steel, iron, plastic. Bimetal saw ? 21 mm thermoplastic hardened, reinforced base, wood crown, wood hole drill, steel, iron, plastic. Product dimensions (L x W x H): 60 x 60 x 85 cm; 48 grams. Reference: 9113025. Manufacturer: WOLFPACK. Item model number: 8435450442766 - model: 9113025. Bimetal saw ? 21 mm in wear-resistant and high-hardness alloy. The teeth are thermally hardened for optimal edge stability. Its reinforced crown base and lateral holes allow for better chip removal and optimal cooling. This tool is ideal for creating holes in mild steel, cast iron, brass, aluminum, and wood. Also known as wood drill, wood saw, or wood hole saw. The product measures 21mm in diameter and is lightweight with only 48 grams. Brand: WOLFPACK. Reference: 9113025.