The invention relates to a guide, comprising a first (1) and a second (2) guide profile, each guide profile having a longitudinal direction, where the first guide profile extends at least partly within the second guide profile, the longitudinal direction of the guide profiles being parallel to each other, wherein on two opposite sides, parallel to the longitudinal directions guide tracks (9) are formed between wall parts of the first and second guide profiles, a ball guide strip (13) being included in each of the guide tracks, each guide strip comprising a strip having a longitudinal direction and a series of openings (22) spaced apart in said longitudinal direction of the strip, balls (8) being provided in the openings which run on said wall parts forming the tracks, wherein at least one bridge part (14) is provided between the two guide strips, connecting the guide strips such that they are prevented from movement relative to each other.