Leviton 660W Medium Base Bi-Pin Tall Profile Slide-On Turn-Type Standard Fluorescent Lampholder, White 13357 - The Home Depot
Leviton 2 Pin, 600 VAC, 660 Watt, Medium Base, Turntype Lamp Holder 0.72 Inch Long x 1-1/4 Inch Wide x 2.04 Inch High, Fluorescent, Slide On 13354 - 57271660 - Penn Tool Co., Inc
LH0097 Unshunted, snap in T8/T10/T12 lamp holder/socket plunger end with keyway