Savage Macro Art Extension Tube for Canon EF/EF-S Mount $39.99 @ B&H Photo w/ Free Shipping

https://www.bhphotovideo.com/c/pr…e_for.html
Specs:
Shortens Minimum Focus of Lens
Greater Magnification for Macro Shooting
Variable Extension Adjustment: 40-56mm
Maintains Autofocus and Exposure
Internal Matting Reduces Reflections
Gold-Plated Contacts, Aluminum Bayonet