Shape Multi-purpose 33-hole cheese plate (1/4' thick) Mounted on a 15mm ROD BLOC (3/4' thick) Precision machined in one piece for durability Screwed IDX plate on Shape cheese plate Mount various accessories and devices Four (10/32') threaded holes on each side Several (1/4 - 20' and 3/8 - 16') threaded holes Made of anodized aluminum