SharkBite 1/2(in) Chrome Plated Barb Insertx3/4(in) Male Lead-Free Garden Hose Angle Stop. It has a multi-turn oval handle. It is used with TV# 608933 Cinch Clamps. It needs Cinch Tool TV #608-743 or Copper Crimp Rings on Cross Link Polyethylene Pex Tubing. After crimping, you can immediately test each fitting to well over 100 PSI. It has NSF listed brass inserts, ASTM F-876, ASTM F-877 to SDR-9 dimensional standards, NSF 14 & 61 for use in potable water systems, CSA B137.5 standards, NSF CL-R certified for use in hot water systems where chlorinated 140 degrees Fahrenheit hot water can be constantly re-circulated. The wetted surface of this product contacted by consumable water contains less than 1/4 of 1 percent, 0.25%, of lead by weight. It meets AB1953 California & VT S152 Vermont low lead restrictions.