Multi tool with valve functions. Useful especially in times of tubeless tyres puncture protection liquids and screw on air pumps as there is more and more need to take out or tighten a valve insert.Why does Schwalbe offer a multi tool? Because we wanted to have a handy tool that integrates the functions for valve inserts (SV and AV) and valve extensions. Especially in times of tubeless puncture protection liquids and screw on air pumps there is more and more need to take out or tighten a valve insert.3 4 5 6 8mm Hex25mm Torxslotted screwdriverSV valve insertvalve extension SVAV valve core