Derma Stamp for Women and Men Home Use, Derma Roller with 140A Needles * 【Easy To Use】 Just open the tip and turn the knob move the microneedling pen up and down where it is being used to enjoy a home salon * 【Portable】The 0.25mm stamp is portable and easy to hold and use. You. can carry it easily when you travel or at home * 【Save Money】You can control the dermastamp speed you need than the automatic microneedling derma, and it's more cost-effective. * 【140 A Pins】Made of 140 premium cone-shaped pins which can produce more effective microchannels than derma roller. Anti-bent, corrosion resistant, sealed packaging, much safer.