The multipurpose processing assistance platform for vertical drilling , chamfering , and alignment tasks , crafted from lightweight yet durability aluminum alloy for long lastingly Ideal for scale model builders , diyer enthusiasts , and hobbyists requiring reliabled precise tool for detailed fabrication or miniature engineering Adjustable sliding block with engravedly scale ensuring accurate alignment of rod ( 1.5-10.5mm diameter ) , while the 0-34mm rulers attachments enables consistent hole spacing for repetitive projects For standard 3.175mm shank drill bit and easily replaceable 6mm wide edges , it ensures drilling and edges finishing operations Perfect for workshop base or model making stations , this tool simplifies angled drilling and chamfering rod in prototyping or repair scenario, Manufacturer: ERRORY