Atlas Code 100 1-1/2" Straight BRASS (4) HO This is a Package of Four HO Scale Code 100 1-1/2" Straight Section Pieces from Atlas. For experienced train collectors. FEATURES HO scale. Track pieces are 1-1/2" long. 4 total pieces within carded package. Easy Snap-Track assembly. Rail is .100" high. Quality precision, evenly spaced black ties and BRASS rails. Code 100 track can be used with most code 83 track by using Atlas' Transition Joiners. Universal joiners included. INCLUDES Four HO Scale 1-1/2" Code 100 Straight Section Pieces SPECIFICATIONS Length: 1-1/2" (3.9cm) Scale: HO Code: 100 COMMENTS May contain sharp points. Keep away from young children.