HHIP 3902-3050 Sleeve Expanding Mandrel, 1/2-9/16" x 5" x 2-1/2" (2 Piece/Kit) 1/2-9/16" Expanding Mandrel Set with 5" Length of Arbor and 2-1/2" Length of Sleeve ~ 2 pieces per set ~ Made of high grade tool steel. ~ Precision ground and heat treated for maximum concentricity and holding power. ~ Center holes are ground and lapped.
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