This super small park tool pmp 3 pocket protector pump fits in just about any bag or jersey pocket or mounts directly to the frame ideal to take along when space and weight are an issue aluminum barrel with a locking dual head and soft touch dual density flip out handle park tool pmp 3 pocket protector pump features super compact micro pump ideal to take along when space and weight are an issue the pmp3 is small but it works like a champ dual head accommodates either