Air powered CV boot gun tool to install and removal of outer and inner CV boots without removing drive shafts or CV joints from the vehicle. Tool is stretching flexible CV boots onto the drive shaft with diameters up to 115mm. Saves a lot of time and money, prevents damage to the drive shaft and you don't have to remove the CV joint. Works at 72-113psi (5-8 bar) compressed air supplied from standard garage air compressor (ASTA A-ACOM72L) with 1/4" connection and up to 130psi (9 bar) pressure. Made of composite body with control valve (ON/OFF), can be removed from the air line once arms are open and will stay open until the release button is pressed.