These nail grinding heads are made of durable abrasive paper and plastic material. Compatible with standard electric nail . Efficiently avoid children's tender hands being injured. And this baby nail trimmer replacement pad is one of the for you. Features - Color: Green -Material:Abrasive paper, plastic - Size: 1.80X1.80X1.80cm/0.71X0.71X0.71in -Note:Suitable for infants over 12 months. -Note: The motor shaft of the nail grinder's main unit has a diameter of 2mm, and its grinding head fitting hole is larger than 7mm for nail grinders. - Convenient replacement heads, easy for you to replace. Compact size and lightweight design, very convenient - An easy and quick way to trim your kid's nails, this nail file replacement pads can bring more conveniences - You can send this nail file replacement pad as the gift for your friends who have a baby, very practical - Made of plastic and abrasive paper material for durable for the use, you can use it with confidence - Fine grinding head, which can prevent accidental injury to baby's hands, very safe for you to grinding Package list: 24 x nail trimmer grinding heads