... requirements in details (such as size ,pictures)Hd Dental bearings for high speed handpiece:Ref.No.FeaturedDBD1C1ShieldMain ApplicationHD01HPSmooth3.1756.352. ... 8")6.35(1/4")2.78(7/64")--IntegralBei Air Ondine ,Prestige,NSK,W&H,CanistersHD08HPSmooth3.1756.352.78 ... .787.50.8IntegralMidwest ,NSK,CastelliniHD21HPSmooth3.1756.352.78--0Bei Air Ondine ,Prestige,NSK,W&H,CanistersHD22HPGrooved3.1755.972.386. ...