This was purchased from an estate, and there are no apparent functional issues or breaks.

 
The silver toned guide or clamp measures 8 inches wide.
 
NOTE: One of the bolts which holds the eight inch piece in place is not original to the Porta-Shop Model 7 accessory part.
 
BUY NOW For $39.99!!
The original and undamaged items are guaranteed for 7 days. After this period, they will be considered to be exactly as described, and the sale is then final. NO PARTIAL REFUNDS. Everything must be safely returned to obtain refund if there are any issues. Shipping costs are not refundable.
 
A SPECIAL NOTE: If there is no "Best Offer" option on All Sorts Of Goods Store items, the price is FIRM. 
No need to e-mail with offers or inquiries about lowering the price.