The Rohm EXTRA-RV 40 Plastic Keyless Chucks are for corded and cordless drills, with or without a spindle stop, up to a maximum torque of 60Nm and up to 650 Watt. These impact-resistant, quick-action drill chucks have a radial locking plastic sleeve. With a through-hole for use with a locking screw. The Rohm 1261217 EXTRA-RV 40 Plastic Keyless Chuck has a radial locking plastic design with a retaining ring and a through-hole. Ref: UTTK3882