1/4-28 Taper Safety Vent 

• 1/4-28 SAE-LT Taper Straight

•  Steel, SAE J534, Check: No Ball

• OAL: 0.54, Shank: 0.21 Extra Long, Drive: 5/16 Hex

• Milled Slot to relieve pressure during use
• Price is for 1 Pc