Knitter's Gauge. Milwards Plastic Gauge to measure the size of your knitting needles £2.10 Quantity: at £2.10 each Add To Basket 5 in stock. 0 in your basket View Basket Checkout Milward Knitter's Gauge. This plastic standard size knitting gauge enables you to tell the size of your needles by simply inserting them into the holes. Includes a ruler in both centimetres and inches to help with sample measuring.