The 9067-XYZ-L Left-Handed Stainless Steel Crossed-Roller XYZ Translation Stage is a 1.0 inch (25.4 mm) travel linear translation stage that allows you to adjust the back actuator with your left hand and adjust the side actuator with your right hand. 9067 series stages feature a generous pattern of twenty 8-32 and twenty one 1/4-20 threaded mounting holes. Actuators are not included. Please see specifications for recommended actuators.