Park tool i beam 3 mini tool ib3a complete take along tool combining the park tool award winning i beam technology with a full array of emergency toolsfeatures1 5 2 25 3 4 5 6 and 8mm hex wrenches t25 star driver straight blade screw driver composite wrapped tyre lever two spoke wrenches one size equal to sw 0 black for 323mm nipples second size equal to sw 2 red for 345mm nipples 10 speed compatible chain tool nominal dimensions 35 x 16 x 1 90mm x 40mm x 25mm weight 6 ou