Watch Back Remover Tool, eLander Watch Adjustable Opener Back Case Press Closer Remover Repair Watchmaker Tool & Watch Case Back Opener Repair Remover Holder Tool Watch Opener: Adjustable tempered pins [Range: 12mm  57mm] for easy use on water resistant cases. Watch Repair holder tool with 4 hard adjustable plastic pins will minimize the risk of slipping and scratching of the back of the watch case. The watch case holder tool can be set in different positions for different cases with different sizes, can hold the watch case up to 52mm in diameter. The perfect professional tool set for watch repairing.