Worm gear speed reducter (Bellpony PO Type) gear – Adjustable (Bellpony po type) imported from Japan. The shirt was cast as a single piece. With cooling fins A quiet, rugged, compact, suitable for use even in confined spaces. The gear provided Opt total 10 models including PO-9, PO-12, PO-15, PO-18, PO-22, PO-25, PO-30, PO-35, PO-40 model and PO-45 horsepower since. 1/4 – 20 HP