115PCS accessories: 15 x Skateboard Bearings 100 x Self Tapping ScrewsDouble Shielded bearings good axial and radial support percompatible withmance, durable choice compatible with high speed rotation.608ZZ bearings are made of chrome steel compatible with durability and resistant to decompatible withmity under heavy loads, and is double-shielded to keep lubricant in and contaminants out.Dimensions suitable compatible with use in such applications as skateboards, inline skates, and scooters;Fits most of skateboard wheels; Pre-greased, No maintenance needed.This single-row bearing is built to support radial loads and has a revolutions per minute (RPM) limit of 34,000 with greased lubrication.Color:Silver+BlackMaterial:Carbon Steel+SteelSelf Tapping Screws: Head Style:Hex HeadProduct Name:Self Tapping ScrewThread Size:3mm x 10mm/0.12 x 0.4 inch(D x L)Carbon steel hex socket cap head sound model wood self tapping screws fasteners.Applications:Electronic equipment, Machinery, Buildings, Sanitary fittings, Sports equipment, Auto, etc.Drive Type:Hex SocketOverall Size:13mm/0.51 inch(length)Pitch:1.0mmHead Diameter:5mm/0.2 inchHead Height:3mm/0.12 inchHex Width:2.8mm/0.11 inchSkateboard Bearings: Applications:Are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.Model: 608ZZ ABEC-7 BearingsSize: 22 x 22 x 7mm (Inside Diameter 8mm)Package Contents:15 x Skateboard Bearings100 x Self Tapping ScrewsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.