The 150P Remote Control Switch has a lightweight, durable aluminum body that utilizes a spring loaded safety tab and broad handle. This is a repairable design with every part available. This switch has two 3/16 Inch tapered threads for use with twinline remote control hoses with 3/16 Inch fittings. This is a Inchbleeder Inch style switch and is Includedwith Allredi 125P Remote Control Systems. Manufactured by Marco.