These are 3D printed actuators in various styles and sizes based on your saber's specific needs. Please make sure to read the description and ask for clarifications if you have any additional questions. These are printed to order and printed in two parts, the main plunger and the switch housing, with a spring loaded function. Currently offered in two sizes, 12mm and 14mm, with two options for the housing, standard and curved. Standard housings are for switch holes with stepped down portion with an example shown in one of the images. These are traditionally found on 12mm switch holes. The curved housings are for switch holes that do not have a step, and use only a straight hole for the switch, the housing rests on the outside of the hilt. The curve made for the hilt is based on a hilt diameter of 33mm, if you need another specific size please ask and I can make them custom for you.