Brick 2 x 4 without Bottom Tubes

Reference

3001c

BrickLink® #

bhol04

Brick 2 x 4 without Bottom Tubes (part 3001c) is a LEGO element. CollectORbuild's catalog records it in 2 sets, including ESSO Filling Station and Unused Parts Database Set - Pre-1965. It has been produced in 2 different colors.