ADJUSTABLE POSITION- Our oyster shucking tool is designed with 4 holes, and you can easily adjust the height of the handle according to the size of the shellfish. The top hole is suitable for oversized oysters, and the bottom hole is ideal for the most undersized oysters. HIGH-QUALITY MATERIAL-The base of this oyster knife shucker is made of solid aluminum alloy, which is durable, corrosion-resistant, wont deform or crack after a long time of usage. In addition, the handle and the cutter head adopt premium stainless steel with high hardness, which is easy to clean after use. An extended high-end aluminum handle makes opening the shells faster and safer without effort. EASY TO OPERATE- Fix the suction cup at the bottom of the machine, place oysters on the groove, aim the tip of the knife at the point where the upper and lower shells of the oyster are combined. Then press down the handle, using the provided knife to gently scrape the connecting muscles between the oyster meat and shell. Easy and convenient to use. ANTI-SLIP DESIGN-This oyster shucking kit is equipped with 5 grooves on the base, which can help stabilize the oyster and prevent slipping when you are prying oysters, so you can shuck oysters faster without worrying about cutting your fingers.