ORA Microneedle Derma Pen Replacement Heads for Cordless Device provide custom microneedling benefits.This set of 3 replacement heads for the ORA Microneedle Derma Pen System feature 12 extremely fine stainless steel needles per head that help reduce the apperance of fine lines, wrinkles, strech marks, scars and blemish marks on the face and body. Each replacement brush head features adjustable needles that allow you to switch to different needle depths from 0.25 to 2.0 mm for customized results.Key Features:Helps smooth uneven texture, wrinkles, scars, stretch marks and discolorationFeatures stainless steel needles for long durability, ensuring needles can be used over multiple treatmentsMust be used with the ORA Microneedle Derma Pen System (sold separately)