The Original Tractor Relief Tool for Skid Steers and Mini Excavators! The best way to release pressure in MALE ISO 16028 Flat Face Couplers! * Includes tool to relieve pressure from the 5/8" Body MALE ISO 16028 FLAT FACE Coupler only (Female Tool sold separate). * Save time, money and frustration by easily releasing pressure to connect couplers. * Relieves pressure in hydraulic hoses. Works only with 5/8" Body ISO 16028 MALE Couplers. Will not fit other sizes. * High Quality Steel Construction with Poly grip handle * USA Family Owned Small Business with High Quality Standards! * Please verify your coupling size and style before placing order! This tool will only fit the size described in this listing.