Comes with screw driver. Unisex. Brand New. Stainless Steel. *Stainless Steel is a Long lasting, Water resistant, Tarnish-free and Hypoallergenic Metal* For reference: - Small 16cm-17cm - Medium 18cm-19cm - Large 20cm - XLarge 21cm If you need help finding your size: - Take a tape measurer around the wrist in which you plan to wear your bracelet. If you prefer a loose fit add more cm. Disclosure: This is a generic bracelet. I’m in no way shape or form advertising this as any specific brand, company name or trademark. Tags: Summer Unisex Spring Fall Winter Travel Gift for her Birthday Instagram Influencer Luxury Designer Fine Jewelry Quality Kim Kardashian Kylie Jenner Kendall Jenner Hailey Baldwin Bieber LOVE Screw Love Style Bracelet Cuff Bangle Screwdriver Hailey Baldwin Bieber favorite