{"product_id":"purdy-joint-knife-carbon-steel-4-inch","title":"Purdy Joint Knife Carbon Steel 4 Inch","description":"\u003cp\u003eThe Purdy 4 inch joint knife has a 100mm carbon steel blade, wide and flexible. It covers more surface in fewer passes and leaves a smooth, flat finish that sands easily.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e4 inch (100mm) carbon steel blade\u003c\/li\u003e\n\u003cli\u003eWide, flexible blade\u003c\/li\u003e\n\u003cli\u003eCovers more surface in fewer passes\u003c\/li\u003e\n\u003cli\u003eLeaves a smooth, flat finish that sands easily\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003ePurdy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade\u003c\/td\u003e\n\u003ctd\u003e4 inch \/ 100mm carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\u003cp\u003e4 inch suits seams, screw heads and small repairs. A wider 6 inch joint knife is also sold for larger areas.\u003c\/p\u003e\u003ch3\u003eHow to use\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eLoad joint compound on the blade.\u003c\/li\u003e\n\u003cli\u003eDraw it across the seam.\u003c\/li\u003e\n\u003cli\u003eSmooth the surface in a few passes.\u003c\/li\u003e\n\u003cli\u003eClean the blade after use.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch4\u003eWhat is it for?\u003c\/h4\u003e\u003cp\u003eApplying and smoothing joint compound over plasterboard seams, screws and repairs.\u003c\/p\u003e\u003ch4\u003eWhat is the blade made of?\u003c\/h4\u003e\u003cp\u003eCarbon steel.\u003c\/p\u003e\u003ch4\u003eHow wide is it?\u003c\/h4\u003e\u003cp\u003e4 inch (100mm).\u003c\/p\u003e","brand":"Purdy","offers":[{"title":"Default Title","offer_id":67823940862225,"sku":"DS-2522180","price":9.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/7323\/0097\/files\/purdy-joint-knife-carbon-steel-4-inch-1.jpg?v=1792509671","url":"https:\/\/diysmith.co.uk\/products\/purdy-joint-knife-carbon-steel-4-inch","provider":"DIYSmith","version":"1.0","type":"link"}