3M™ Durapore™ Silk Like Cloth Medical Tape, 2 Inch x 10 Yard, White, 1 Box of 6 Food Bumpers Head Only * Apertures include: 416700 Head Only * Apertures include: micro spot small large fixation slit and red free filter * Halogen light for true tissue color and consistent long lasting illumination * 6 apertures for all general and specialist use * 28 lenses 25 to +40 diopters for better resolution * Rubber brow rest prevents scratching of eyeglasses * Illuminuated lens dial clearly identifies setting * Replacement lamp WA03000 * Premium 23 die cast aluminum base with satin finish top * 5 leg design for greater stability * Full size diameter top and base for comfort and stability * 4 thick seat for extra comfort * Black hooded dual wheel nylon casters * Pneumatic height adjustment * All seats have 3 4 thick solid plywood base * Lever controls height * Knock down design saves on shipping * Easy no tools required assembly * Premium stain resistant woven knit backed vinyl upholstery * 250 lbs Bi directional tear for quick use Tape won't stick to gloves so tape can be torn while wearing gloves