Material: 4x Spudgers and 1x Knife Made from Stainless Steel Very Strong that Will Not Bend to lift even the toughest cases. Handle is made of Plastic with Ridges for a Strong and Comfortable Grip and durable for use. Set Includes also 1x Back Case Opening Pry Tool Compatibility: Can be used for nearly any watch case back cover, even a back case with a plain and smooth surface. Simply use the pry tool and pry up in the small tab or notch on the side to fix your watch. Complete Set: 4 pcs different back case openers / spudgers with a different shape and size, 1x back case opening knife, 1x proffesional black back case cover remover pry tool, 1x blue microfiber cleaning cloth Product provided by MMOBIEL - We always try our best to exceed your expectations at every turn. Join the ever growing list of satisfied customers and discover the difference with MMOBIEL.