What size holes are these? I need 9/16

The Lippert Replacement Bearing Block Kit for in-Wall Slide-Out on RVs uses 5/16" holes. If you need 9/16" holes, you will need to drill out the existing holes. Here are the steps on how to drill out the holes: Use a center punch to mark the center of each hole. Drill a pilot hole using a 1/8" bit. Gradually increase the size of the bit until you reach 9/16". Clean out the holes with a wire brush. Install the new bearing blocks. It is important to note that drilling out the holes may weaken the structure of the wall. If you are not comfortable drilling out the holes, you can hire a professional to do it for you.

ASIN	B071XDJD8V
Best Sellers Rank	#181,062 in Automotive ( See Top 100 in Automotive ) #92 in Car Bearings & Bearing Kits
Brand	Lippert Components
Customer Reviews	4.5 4.5 out of 5 stars (50)
Date First Available	15 September 2017
Item Weight	254 g
Item model number	379060
Manufacturer	Lippert Components®
Manufacturer Part Number	379060
Model	Standard Bearing Block Kit
Product Dimensions	10.16 x 10.16 x 10.16 cm; 254.01 g

Lippert Components Replacement Standard Bearing Block Kit for in-Wall Slide-Outs, Includes Upper and Lower Blocks, Exact-Match Reference Owner's Manual Prior to Purchase - 379060

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