Socket set includes the following sizes: 18 mm. 43 mm. 19 mm. 44 mm. 20 mm. 45 mm. 21mm, 27/32; 46 mm. 22 mm. 47 mm. 23 mm. 48 mm. 24 mm. 49 mm. 25mm, 50mm 26 mm. 51 mm. 27 mm. 52 mm. 28 mm. 53 mm. 29 mm. 54 mm. 30 mm. 55 mm. 31 mm. 56 mm. 32 mm. 57 mm. 33 mm. 58 mm. 34 mm. 59 mm. 35 mm. 60 mm. 36 mm. 61 mm. 37 mm. 62 mm. 38 mm. 63 mm. 39 mm. 64 mm. 40 mm. 65 mm. 41 mm. 74 mm. 42 mm. The 49 pieces are interchangeable with each other so you can get different size variations in one set, allowing you to finish the job quickly, professionally and quickly. Package includes: 49 ring discs 1 x Long Sleeve 1 x Quick Connect Shaft 2 x Bolts 1 x Hex Key 4 x Rubber O-Ring 1 x storage case.