The SMC CL1F40-340F CL1 Series Lock-up Cylinder is a robust and reliable solution designed for applications requiring intermediate stops, emergency stops, and drop prevention. This double-acting, single rod cylinder features a bi-directional lock, making it ideal for secure and precise positioning in various industrial settings. The CL1 model offers a single-directional lock, ensuring enhanced safety and control. Additionally, it comes equipped with an auto switch, compatible with Series CDL models such as CDLJ2, CDLM2, CDLG1, and CDL1, providing seamless integration and operation. Whether for manufacturing, automation, or safety-critical applications, the SMC CL1F40-340F delivers exceptional performance and peace of mind.