Lezyne sv5 multi toolthe stainless series uses forged and machined stainless steel sideplates bits and hardware the bits on all lezyne tools employ center pivot technology instead of bending the base of the bit around the tool support rod each bit has the center of its base drilled out to create 360 degrees of reinforcement letting you get your torque on when you need to the sv5 is the second lightest lezyne tool top honors go to the carbon 5 but the sv 5 is more compact thanks to its ul