Diamond Coring Rig, Motor HP 2.9, Amps @ 120V 19.3, No Load RPM 185/455, Core Bit Cap Concrete 10 In, Base Size 10 1/2 X 16 1/4 In, Column Dia 1 3/4 x 2 1/2 In, Column Height 39 In, Overall Depth 24 In, Overall Height 40 In, Overall Width 10 1/2 In, Tool Weight 51 Lb, Two Speed Drill Motor For Optimal Bit Diameters, Twin Gear Carriage, Electronic Overload Protection, V-Groove Roller Carriage For Accurate Alignment, NEMA L5 20 Amp Plug, Includes Two Speed Drill Motor And Vacuum Plate Technical Specification Item Diamond Coring Rig Motor HP 2.9 Amps @ 120V 19.3 No Load RPM 185/455 Core Bit Cap Concrete (In.) 10 Base Size (In.) 10-1/2 x 16-1/4 Column Dia. (In.) 1 3/4 x 2 1/2 Column Height (In.) 39 Overall Depth (In.) 24 Overall Height (In.) 40 Overall Width (In.) 10-1/2 Tool Weight (Lb.) 51 Features Two Speed Drill Motor For Optimal Bit Diameters, NEMA L5 20 Amp Plug, Twin Gear Carriage, Electronic Overload Protection, V-Groove Roller Carriage For Accurate Alignment Includes Two Speed Drill Motor And Vacuum Plate Additional Information Diamond Coring Rigs Husqvarna Coring Rigs w/Base Use for angle drilling. No. 3RDN8 is a single-speed, lightweight unit with V-groove roller carriage for accurate alignment. Nos. 3RDN7 and 3RDN5 are heavy-duty 2-speed units with wheels for portability.