Precision Expanding Mandrel Set 1/2"-1", 5 Mandres & 5 Sleeves Material: High Grade Steel Size: 1/2" - 1" Including 5 mandres and 5 sleeves with ranges of 1/2-9/16", 9/16-21/32", 21/32-3/4", 3/4-7/8", 7/8-1" #1 - Length Of Arbor: 5'' , Range: 1/2 - 9/16'' , Length Of Sleeve: 2-1/2'' #2 - Length Of Arbor: 6'' , Range: 9/16 - 21/32'' , Length Of Sleeve: 2-3/4'' #3 - Length Of Arbor: 7'' , Range: 21/32 - 3/4'' , Length Of Sleeve: 2-3/4'' #4 - Length Of Arbor: 7'' , Range: 3/4 - 7/8'' , Length Of Sleeve: 3-1/4'' #5 - Length Of Arbor: 7'' , Range: 7/8 - 1'' , Length Of Sleeve: 3-1/2'' Qty: 1 Set Light Item