Description Developed for farmers and recommended for the fast and convenient extraction of core samples for testing purposes.PRODUCT DETAILS: Hay Sample goes direct from bale to bag with no mess or contamination from handling The inside diameter of the shaft is 7/8" allowing samples to stay loose for easy bagging with cleanout rod between samples Cleanout rod pushes up to 20 core samples into a 1-gallon zip lock bag Drill power source Stainless steel Raplaceable sampler tip 20" sampling depth 3 test bas included Use with 3/8" or 1/2" drill