D'Versibits Home › Greenlee Knockouts & Holemaking › D'Versibits We currently do not have any products for this manufacturer. Please check back soon for new products... If you would like to place an order over the phone please call 800-242-4424 for immediate assistance. Thank you. Greenlee D'Versibits are an excellent tool for drilling through the studs in existing walls. Flexible, spring steel shafts with various bit designs and diameters for all sorts of materials. D'versitbits will save you time, energy, and money when fishing wires through existing construction. Proven in the field to deliver accurate and professional results in many applications.