Hollow set Drop in Anchors (3/8"-16) 1 Anchor $2.50 20 anchors $50 100 anchors $220 Click here for detailed installation instructions Each order also includes: (1) 5/16" hex wrench, (1) 3/8" washer, and (1) 1 1/2" socket head bolt. These items are required for setting the anchors securely in place. Home - Product Info - FAQ - New Climbing Holds - Climbing holds for bouldering - Jugs - Crimps - Incuts - Starter Sets - Kids Climbing Holds - Screw on Holds - Novelty Holds - T-nuts & bolts - Shipping Information - Climbing Wall Plans - About Us - Pics & Vids - Contact Us - Related Sites - Project Holds