bars of shittim wood: Exo 36:31-38, Num 3:36, Num 4:31, Rom 15:1, 1Co 9:19, 1Co 9:20, Gal 6:1, Gal 6:2, Eph 4:16, Col 2:19 Reciprocal: Exo 25:5 - shittim wood Exo 36:32 - the tabernacle