{"product_id":"oregon-4-5-mm-chainsaw-sharpening-kit-preassembled-file-guide-round-flat-files-depth-gauge","title":"Oregon 4.5 mm Chainsaw Sharpening Kit — Preassembled File Guide, Round \u0026 Flat Files, Depth Gauge","description":"\u003cp\u003e\u003cstrong\u003eOregon 38278 is a complete 4.5 mm hand sharpening kit that gives you a guided filing system, round and flat files, wooden handles, and a drop-center depth gauge for accurate chain maintenance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeep your chainsaw cutting efficiently between professional services with this compact, all-in-one sharpening kit from Oregon. Built around a preassembled 4.5 mm file guide and frame, the set includes the essential tools to restore cutter angles and set depth gauges by hand. Oregon’s long history supplying chains and sharpening systems means this kit follows proven geometry and quality standards so users can maintain consistent performance and safer cutting behavior.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 4.5 mm guide help me file the cutters correctly?\u003c\/h3\u003e\n\u003cp\u003eThe assembled 4.5 mm file guide locks onto each cutter so you maintain a consistent filing angle and depth with every stroke. That repeatable guide position prevents uneven edges that reduce cutting speed and increase vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePreassembled guide and frame for quick setup\u003c\/li\u003e\n  \u003cli\u003eMaintains factory filing angle for 4.5 mm chains\u003c\/li\u003e\n  \u003cli\u003eReduces guesswork and uneven sharpening\u003c\/li\u003e\n  \u003cli\u003eWorks with the included round file for cutter contours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools are included and why do they matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a 4.5 mm round file, a flat file, two wooden file handles, the assembled file guide and frame, plus a .025\" drop-center depth gauge tool. Together these components let you reshape cutters, remove burrs, and set the correct depth for each link.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4.5 mm round file: restores tooth radii and sharpness\u003c\/li\u003e\n  \u003cli\u003eFlat file: levels depth gauges and cleans the guide groove\u003c\/li\u003e\n  \u003cli\u003eWooden handles: provide secure control and comfortable leverage\u003c\/li\u003e\n  \u003cli\u003eDrop-center depth gauge tool: sets depth consistently to reduce kickback potential\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I use this kit to maintain cutting performance?\u003c\/h3\u003e\n\u003cp\u003eRegular visual checks and light touch-ups after heavy or abrasive cutting will keep the chain efficient; use the kit whenever cuts become slow, produce fine dust instead of chips, or the saw requires greater throttle to cut. Frequent small files preserve cutter profile better than infrequent aggressive reshaping.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTouch up after noticing decreased cutting speed or smoke\u003c\/li\u003e\n  \u003cli\u003eFile small amounts often to preserve cutter geometry\u003c\/li\u003e\n  \u003cli\u003eUse the depth gauge tool after multiple filing sessions\u003c\/li\u003e\n  \u003cli\u003eStore files dry and clean to maintain their hardness and life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit work with my chainsaw chain?\u003c\/h3\u003e\n\u003cp\u003eThis 4.5 mm kit is intended for chains that specify a 4.5 mm (7\/32\") filing size; check your chain’s recommended file diameter before use. Oregon chains and most major chain brands list the file size on the cutter or in the owner’s manual, and this kit aligns with common professional and homeowner chain geometries.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for chains calling for a 4.5 mm\/7\/32\" file\u003c\/li\u003e\n  \u003cli\u003eMatches typical cutter angles used by many saw manufacturers\u003c\/li\u003e\n  \u003cli\u003eWorks with both Oregon and many aftermarket chains if file size matches\u003c\/li\u003e\n  \u003cli\u003eNot intended for smaller (e.g., 3\/16\") or larger specialty files\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Oregon 38278 sharpening kit is ideal for homeowners, arborists, and part-time loggers who prefer hand maintenance over power sharpeners, and for professionals who need a reliable field kit to touch up chains on-site. If you want consistent cutter geometry, an easy-to-use guide, and the basic files and depth gauge to maintain chain performance between shop services, this compact kit provides the essential tools to keep your saw cutting cleanly and efficiently.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the 4.5 mm file size right for my chain?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your chain’s manual or cutter markings; use this kit only if the recommended file diameter is 4.5 mm (7\/32\").\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I set depth gauges with this kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the included .025\" drop-center depth gauge lets you measure and adjust depth settings accurately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Oregon","offers":[{"title":"Default Title","offer_id":56832371491156,"sku":"B000PS4KGM","price":50.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/oregon-38278-front-packaging.jpg?v=1787028083","url":"https:\/\/gardenluxe.co.uk\/products\/oregon-4-5-mm-chainsaw-sharpening-kit-preassembled-file-guide-round-flat-files-depth-gauge","provider":"Gardenluxe Uk","version":"1.0","type":"link"}