Rain Bird EFBIGT/1S Drip Irrigation Easy Fit Spiked Tee for Riser Mounted Micro-Sprays, Fits All 1/2 in. and 5/8 in. Tubing. The unique Easy Fit "Big Tee" provides two 1/2 in. tubing compression inlets with a 1/2 in. female threaded outlet for risers; and a heavy duty stake. Unique device allows for rapid in-line connection and staking of riser-mounted micro sprays, bubblers and misters. Heavy duty built-in stake holds 1/2 in. tubing in place and helps keep risers positioned properly for even coverage. Use with Rain Bird 1/2 in. MPT threaded 12 in. PolyFlex riser model MPTRISER12, sold separately, to attach a wide selection of 10-32 threaded micro sprays, micro bubblers, micro umbrella bubblers and misters. Rain Bird's Easy Fit system involves simple push-together hand assembly and fits all brands of 1/2 in. and 5/8 in. Drip tubing. A popular choice of irrigation contractors, Easy Fit Compression Fittings reduce time and fatigue in any 1/2 in. tubing Drip irrigation system install. The finished connection is durable, leak-resistant and stays in place season after season.