TL37 1/2" NPT Thread Ag Quick Connect Hydraulic Poppet style Coupler Coupling 1/2" body size Tractor Bobcat Skid Steer Loaders w/Dust Caps Most common size for farm tractors & implements as well as older Bobcat skid steers Modern poppet style valve made to ISO5675 standards 1/2'' NPT Female thread on a 1/2" body size coupler &lt;&lt;------ Check our fitment guide to see if this fits your machine Set includes (1) female and (1) male coupler, and dust cover to protect from the elements