Features: 1. Adjustable case opener, ideal for opening waterproof cases; spring bar remover for strap adjustment or replacement. 2. Complete watch repair tool set, a helpful assistant for watch maintenance and repair. 3. Compact, lightweight, easy to use, and durable. 4. Portable, organized tool set with convenient storage box. 5. Suitable for repairing clocks, watches, and wristwatches. Includes a well-designed storage box for organization and portability. Specifications: 33-Piece Set: 1 yellow base, 1 yellow bottom knife, 3 flat-head screwdrivers, 2 steel punch needles with screws, 1 stainless steel tweezers, 1 yellow microfiber cloth, 1 yellow 10X magnifying glass, 1 black butterfly opener, 1 black double-headed ear fork with scale, 1 dust brush, 20 sealing O-rings. 13-Piece Set: 1 transparent strap remover, 1 yellow bottom knife, 1 blue fixed base for strap remover, 1 blue detachable ear fork with scale, 1 stainless steel tweezers, 3 flat-head screwdrivers, 3 steel strap punches, 1 three-jaw opener, 18 spare opener heads. 162-Piece Set: 1 blue strap remover, 1 yellow bottom knife, 1 black base, 1 golden detachable ear fork, 1 stainless steel tweezers, 3 flat-head screwdrivers, 3 steel strap punches, 1 three-jaw opener, 18 spare opener heads, 1 yellow watch case knife, 126 ear forks, 2 spare heads for double-headed ear forks, 3 spare needles for strap remover. 16-Piece Set: 1 blue strap remover, 1 base, 1 bottom knife, 1 stainless steel tweezers, 1 large double-headed ear fork, 3 flat-head screwdrivers (1.0 mm, 1.2 mm, 1.4 mm), 3 steel punch needles with screws (0.8 mm, 0.9 mm, 1.0 mm), 1 three-jaw opener (37 mm), 18 spare jaws for three-jaw opener, 1 blue hammer, 1 pliers, 1 dust ball. 130-Piece Set: 1 blue two-jaw opener, 1 yellow bottom knife, 1 yellow base, 1 detachable ear fork, 1 stainless steel tweezers, 1 silver strap remover, 3 spare needles for strap remover, 3 flat-head screwdrivers (1.0 mm, 1.2 mm, 1.4 mm), 3 steel strap punches (0.8 mm, 0.9 mm, 1.0 mm), 1 black base, 1 yellow ABS knife, 1 hammer, 4 spare needles for silver double-headed ear forks, 108 ear forks. 23-Piece Set: 1 blue strap remover, 1 black fixed base, 1 yellow knife, 1 stainless steel tweezers, 1 large golden double-headed ear fork, 3 flat-head screwdrivers (1.0 mm, 1.2 mm, 1.4 mm), 1 Phillips screwdriver (1.6 mm), 3 steel punch needles with screws (0.8 mm, 0.9 mm, 1.0 mm), 1 red needle-nosed pliers, 3 strap punchers (2.0 mm, 3.0 mm, 3.5 mm), 1 blue dust ball, 1 blue butterfly opener, 1 glasses cloth, 1 stainless steel tweezers, 1 gray fixed base for strap, 1 blue hammer, 108 ear forks. Note: Actual color may vary slightly from images due to monitor and lighting differences. Dimensions are based on physical measurements and may include minor variance. Type: Tools Package Includes: 1 set of watch repair tools