Multi Premium Material Construction: Punch head made of food grade stainless steel, safe to touch coconut juice directly; sliding hammer adopts nickel-plated iron for enough weight to save labor; top blue ball knob is anodized aluminum alloy with strong anti-corrosion performance Labor-Saving Sliding Impact Design: Weighted nickel-plated iron slider generates powerful impact by simple one-hand sliding, no extra hammer needed to punch clean round holes on young green coconuts quickly Upgraded Standard Dimension Specs: Total overall length 325mm, cutter head height 30mm, cutter head diameter 50mm, large round opening fits straw perfectly for direct coconut water drinking Anti-Corrosion Anodized Blue Spherical Knob: Aluminum alloy ball handle treated by anodic oxidation craft, scratch resistant and colorfast, offers comfortable grip for long time repeated use in fruit shops or home Multi-Scene Use & Easy Cleaning: Mirror polished smooth metal surface resists coconut fiber and juice stains, just rinse under running water; perfect for home kitchen, fruit stalls, beverage stores and outdoor camping trips