Used 72" Site Pro Hydraulic Grapple Rake For Sale - Make Anbo Manufacturing 1/2" Inner tine Thickness | 1/2" Outer Tine Thickness - All New Hoses. 6" Tine Spacing Heavy Duty Made out of AR400 Steel. GR60-6 SitePro Grapple Rake - The ANBO SitePro GR45-6 series, with 6-inch tine spacing, is an enhanced version of GR45-6 rated for the mid-size tractors and skid steers. It features longer tines and a wider opening to allow for more material handling.