One piece birch hardwood handle varnished for long service life. Bayonet-type "fingers" stamped from high quality black oxided steel frimly and gently grasp miniature lamps. Area of lamp grasp is limited to 3/8" (9.5 mm) to prevent shorting. Grasp lever includes a return spring for fast lamp insertion and removal. OAL 4 3/8" (11.1 cm) 1/2" (12.7 mm) handle diameter.