CNC MACHINED BRASS ADAPTER RING: We manufacture this step-up ring with brass and then apply a matte black electroplated finish, which withstands corrosion and other abrasive elements often encountered in outdoor photography. | FITMENT: Compatible with all 77mm camera lenses & 82mm accessories. Your lens thread size will be printed underneath your lens cap or written somewhere on the lens barrel. Make sure you order the correct size otherwise it will not fit your lens. | THE MOST DURABLE STEP UP RING: The result of better construction and materials, combined with a proven design makes this step-up ring the most durable and functional step-up ring available to professional outdoor photographers. Also, free lens cloth is included! | EXACTLY WHAT YOU ARE LOOKING FOR: The reach and application of this very filter adapter ring is that it involves appropriate traction and gives optimized performance. | 25 YEARS SUPPORT: Our step up adapter ring is made up of high quality material brass, which will surely sustain for more than 25 years.

【High Quality & Super Suction】- Screen suction cup is made of durable ABS and natural rubber materials, and has a long service life. The suction cup has a lifting capacity of 12 kg (26 lb), which can help you open the phone screen. | 【Screen opening tools】- The tools in the screen opening tool set have high hardness and toughness, can be reused, can help open the screen cover, and prevent scratching the casing, which is ideal for professionals and DIY. | 【Easy to use】- LCD suction cup with heavy-duty locking handle with latch, easy to use. If you want to open a mobile phone screen other than iPhone, use a tool to remove the glue layer connected to the LCD screen, and then use the screen suction cup to open the screen. | 【Wide Application】- Designed for electronic devices, LCD screens, and smooth surface screens. Suitable for opening iPhone, iPad, iMac, MacBook, tablet, laptop, Samsung and other LCD screens. | 【LCD Opening Tools】- The LCD opening kit includes 2 heavy-duty suction cups, 1 nylon spudger, 1 double-sided spudger, 2 plastic triangles, 4 auxiliary plastic cards, and 1 microfiber cleaning cloth. Kaisi Tools 30 days no reason to return, 1-year warranty policy.