The comprehensive set includes five replaceable drill bits (1mm, 1.5mm, 2mm, 2.5mm, 3mm) to accommodate various assembly requirements, eliminating the need for multiple tool purchases Its compact 102mm hand twist design excellent control for intricate drilling tasks on small components in workbench environments and model crafting stations Specially designed for model toy enthusiasts, this high hardness steel hand twist drill provides accuracy hole enlargement for seamless model set assembly without chipping edges Featuring clearly labeled specifications including exact drill bit dimensions and premium steel composition for optimal in miniature drilling applications Perfect for miniature hobbyists and scale model builders requiring delicate part modification during craft projects and model construction processes, Manufacturer: Rdxanc