The CLB-305 Series is a full extension slide with a Green Button release mechanism, a .38 sliding thickness and locks out at full extension. The Green Button safety feature is a lock-out mechanism designed to protect against pinched fingers. The load capacity ranges from 70 to 140 lbs. Ball Bearing Slides provide smooth travel for high cycle applications. High precision and smooth operating ball bearing slides are the right choice for delicate instrumentation and clean room environments. Ball bearing slides feature quick and easy installation and have a low push/pull force.