With a compact base that has a cutting length of 12.5 inch/31.5cm and extendable arms that can expand it to 12 inch/30.5cm, this trimmer is both versatile and practical. Not only is the Tim Holtz® Rotary Media Trimmer highly engineered and durable, it can also cut through various substrates including: heavy duty chipboard (up to 0.05 inch thick), heavyweight cardstock (up to 130#/350GSM), synthetic surfaces (Yupo, acetate), and lightweight vellum with ease.