Doubles as a bar-end plug, and comes with three differently sized O-ring fasteners to ensure a secure fit inside most handlebar openingsInnovative concealed mountain bike multi tool that discretely and securely inserts into the opening of a handlebarConstructed from lightweight, durable machined aluminum and features hardened-steel tool bitsSmall kit includes 4, 5, 10mm hex bits, T25 and phillips screwdriver bitsMulti Tool54gBlack