Little Beaver Change Over Kit CCO 5# 5 HP 3 by 4 Inch Bore Clutch Fiber Shoes Drum (Earth Drill Mechanical Power Drive Replacement Part) Tool Storage Confined Engine Bay Threading: Operating Confined Engine Bay Threading: Operating in tight mechanical clearances using the ratcheting T handle's 5 degree arc swing to turn taps without full 30 degree manual hand rotations Resharpenable: CNC ground edges can be resharpened for extended use 20 kg) Pro Tip: Clean the engine crank drive shaft with fine emery cloth and apply a light anti seize coating to the shaft before sliding on the 3 4 inch bore clutch hub to prevent thermal galling and ensure easy future maintenance Heavy Duty Engagement Springs: Calibrated spring tension keeps shoes disengaged at engine idle speed for safe operator handling