Set Contains: (30) Straight 1/4" -28 grease zerk fitting. (20) straight 1/8" pipe grease zerk fitting. (15) 45-1/4"-28 grease zerk fitting. (15) 90-1/4"-28 grease zerk fitting. (15) 90 grease zerk fitting 1/8". (15) 45 grease zerk fitting 1/8".