Based on this product's specifications, here are some alternatives and similar models
Sliding T-handle 3/8" 165 mm NEO tools model 08-155
Summary description:
Hand tool: a sliding T-handle by NEO tools, model 08-155, with a 3/8" drive and 165 mm length. Designed to provide adjustable leverage along the shaft for turning sockets and fasteners in confined or hard-to-reach spaces. Useful for automotive, mechanical and maintenance tasks where variable handle position and compact reach improve access and torque control.