PBC Linear CCPDL24-024.000 Pre-Drilled Linear Shaft, Ceramic-Coated Aluminum, 1 1/2 in Dia, 24 in Lg 506SS1 They have heavy duty bearings

They have heavy duty bearings and hardened steel gears

Range -328 Degrees to 1994 Degrees F Basic DC Accuracy +/-0

) 3 3/16 in

800 RPM Chuck Material Plastic Drill Chuck Type Keyless Torque Range 0 in-lb to 300 in-lb Anti-Kick Back No Wireless Tool Tracking No Number of Batteries Included 2 Throttle Type Trigger Charger Included Yes Number of Speed Settings 2 Shop By Hot Buys Minimum Speed 0 RPM Maximum Speed 1

PBC Linear CCPDL24-024.000 Pre-Drilled Linear Shaft, Ceramic-Coated Aluminum, 1 1/2 in Dia, 24 in Lg 506SS1 They have heavy duty bearingsLinear Shaft, System of Measurement Inch, Diameter 1 1 2 in, Shaft Type Pre Drilled Shaft, End Type Plain Ends, Core Type Solid, Overall Length 24 in, Surface Hardness Minimum 70 HRC, Material Aluminum Alloy, Finish Ceramic Coated, Mounting Hole Thread Size 3 8 16, Diameter Tolerance Minimum 0. 001 in, Diameter Tolerance Maximum 0 in, Mounting Hole Center to Center 8 in, Mounting Hole Center to Shaft End 4 in Material Aluminum Alloy Finish Ceramic