Features: Stainless steel material, full of durability, and add additional stabilities and protections. Standard 3/8 screw, applicable to brand with 3/8-interface such as for Manfrotto and others. Lightweight, portable, easy to install and disassemble, convenient to operate. 1/4-inch and 3/8-inch Thread, length 3.14"(80mm) and 3.93"(120mm), please reconfirm the size before purchasing. Wide compatible, suitable for tripod, monopod, ballhead, quick release plate, deep into softer ground. Specifications: Material: Stainless Steel Length: about 8cm/3.14", 10cm/3.93" Type: LS056, LS055, LS057(optional) Screw standard: 1/4-inch 3/8-inch Note: Please allow 0-1cm error due to manual measurement. Please allow for slight color difference due to different monitor resolution. Package includes: 1Pc Tripod Ground Spike 1Pc Gasket 1Pc L-type Wrench