This target is a half size (50%) version of the STS Ironman (Torso) target. It is the same target plate utilised in the STS Mini Ironman Quick Deploy Target System (minus the bracket and harware) -> http://stsonline.com.au/store/index.php?route=product/product&path=59_65&product_id=146 

The overall dimensions of this target plate are 380 x 230mm, with two 13mm mounting holes. 

Available in painted gloss white, and bare steel finish.