Hollow set Drop in Anchors (3/8"-16) Once installed, these anchors allow you to fasten bolt-on climbing holds to hollow cinder block walls. Anchors Qty (10) $25.00 (20) $50.00 (50) $125.00 (100) $220.00 (200) $440.00 (300) $660.00 (400) $880.00 (500) $1,000.00 (1000) $2,000.00 Sample Hold: (1) $5.00 (2) $10.00 (5) $25.00 (10) $50.00 Grip Type Crimp Pinch Incut Sloper Jug Click here for detailed installation instructions Each order also includes: (1) 5/16" hex wrench, (1) Flange Bearing (1) 1 1/2" socket head bolt. These items are required for setting the anchors securely in place. Home - Product Info - Climbing Holds FAQ - Climbing holds for bouldering - Jugs - Crimps - Starter Sets - Shipping Information - Climbing Wall Plans - About Us - Pics & Vids - Contact Us - Related Sites