niceEshop(TM) Adjustable Watch Back Cover Case Holder Opener Remover Vise Tools Material:Plastic;Size:5x6.5x3.6cm/1.96x2.55x1.41inch The pins are made of rubber to prevent damage to watch case Suitable to hold large watch care up to 45 mm Will not scratch crytal and steel watch case Max opening distance:4.5cm/1.77inch