HIPA Pack of 10 12318140630 Primer Bulb Pump for Echo Shindaiwa Sting Trimmer Brushcutter Blower Replacement manufacturer part number: 12318140630 I.D. x O.D. x HT: 0.616" (15.66 mm) x 0.716" (18.20 mm) x 0.558" (14.19 mm) Package include 10pcs primer bulb