MANUFACTURER: Branch Manager Attachments MODEL: 38 SPECIAL HP: 35-38 BASE-SETUP 1: 18 700 Series®(https://www.greenteeth.com/700-series-lopro) Teeth (700-WS) - 12 Angle Pockets (700LP-A), 6 Straight Pockets (700LP-S), 18 2" LoPro® bolts for ½” Wheel (LP-200). BASE-SETUP 2: 16 900 Series® (https://www.greenteeth.com/900-series-lopro)teeth (900-WS) - 16 Angle Pockets (900LP-A), 16 2" LoPro® bolts for ½" Wheel (LP-200). Quadwheel®: The Quadwheel® (https://www.greenteeth.com/quadwheel)K(https://www.greenteeth.com/quadwheel)it Includes 12 900 Series® (https://www.greenteeth.com/900-series-lopro)Teeth with nuts (926-WS2), 4 (GW-BLOCKS), 4 (GW-HOLDERS), 8 3" LoPro® bolts (LP-300), 1 Allen Socket, Mounting Hardware, and 1 Quadwheel®. Also contains a new hub and bushing to mount the wheel to the existing shaft. Link to Manufacturers website: https://www.branchmanagerusa.com/product/38-special-stump-grinder/(https://www.branchmanagerusa.com/product/38-special-stump-grinder/)