1. It is made of 45 steel, high-frequency quenching treatment, high hardness, knock resistance, sturdiness and durability 2. Rubber-coated non-slip handle, comfortable to hold, good non-slip performance, suitable for long-term operation 3. Material: steel 4. Applicable scenarios: geological survey, outdoor sports, mineral research, etc. 5. Size: small size is about 28.5x17x2 cm, large size is about 34.5x18x2 cm, pointed head band is about 29.5x17.5x2.5 cm, flat head band is about 29.5x17x2.5 cm 6. Weight: about 795g for small size, about 1035g for large size, about 945g for pointed head with arc, and about 925g for flat head with arc
