Hand Injectors with Locking Pins. 6oz Injector=$119.99 8oz Injector = $129.99 10oz Injector = $139.99 12oz Injector Series 2 = $159.99 16oz Injector Series 2 = $169.99 20oz Injector Series 2 = $179.99 Dual 6oz injector = $315.99 includes 2 injectors and kit Dual 8oz injector=$335.99 includes 2 injectors and kit Dual 10oz injector=$355.99 includes 2 injectors and kit Dual Injector Kit= $115.99 only the kit Triple 6oz Injector=$435.99 includes 3injectors and kit Triple 8oz Injector=$455.99 includes 3injectors and kit Triple 10oz Injector=$475.99 includes 3injectors and kit Triple Injector Kit = $159.99 only the kit All injectors Comes with 2 O-Rings