Ultraprop Bolt Sleeve SET

Hub Mounting Bolt Sleeves - (Not required for 5/16 or 8mm dia. mounting bolts). Stainless Steel. Set of 6 sleeves required if using 1/4" mounting bolts. ¼ I.D. x 5/16 O.D. x 2 1/4 long.

Dimensions: .31X1.9X2.1