{"product_id":"9780946688135","title":"How to Make a Hand-Operated Hole-Punch","description":"\u003cp\u003eDescribes the process of building a machine for punching holes in sheet metal, with full dimensions and instructions. Designed for construction from readily available steel sections, this machine can be built by most workshops or blacksmiths.\u003c\/p\u003e","brand":"Practical Action Publishing","offers":[{"title":"Default Title","offer_id":47034691027184,"sku":"9780946688135","price":19.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9780946688135_p0.jpg?v=1763880004","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9780946688135","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}