Wildco Hand Corer Rental Core samples are collected in 20" plastic liner tubes and held in place by eggshell sample retainers (both sold separately). For shallow coring in fresh, salt, or brackish waters. Extension rods available for coring in waters up to 15 feet deep. NOTICE: The rental does not include liner tubes or eggshell catchers. Please see the accessories section for pricing. $54 View Details Quote Request