International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Can be rotated 360 degrees then locked into place with knurled thumb nuts. They are strong to keep a tight grip on your components allowing you position them wherever you like ?360 Degree Alligator Clamps with Removable Silicone Protectors?The clips are stainless steel and have a strong spring. Magnetic Helping Hands Soldering Station, Clamp Station Tool Heavy Duty Pcb Holder NOEVSBIG Magnetic Helping Hands Soldering Station Oman Soldering Aid Tool Magnetic arms can be positioned anywhere on heavy steel base. Helping Hands Soldering 6PCS Magnetic Pillar Holders These soldering helping hands have a 6-piece metal mounting tower with a strong magnetic base, which allows you to place them anywhere on a steel plate base to hold different types of circuit boards Strong earth magnet embeded. Can be rotated 360 degrees then locked into place with knurled thumb nuts.