Kwiki Cast Wingnuts can help contractors with damper regulator assembly, according to this company. The wingnuts are formed from a single case and composed of a single thread. The wingnut also threads to both the Kwiki Spring Bearing and Kwiki Stamped Economy Bearing. Regardless which is installed, the Kwiki Cast Wingnut feeds by hand or with an electric driver and chuck. This new wingnut joins the Kwiki family of bright, zinc-plated damper regulators designed for installation on any factory-made residential or light-commercial damper blade.

Carlisle Hardcast, 900 Hensley Lane, Wylie, TX 75098; (800) 527-7092; fax (972) 442-0076;