ITEM: 3 to 4mm ER20 Collet KENNAMETAL. MANUFACTURER: KENNAMETAL. BRAND: Kennametal. MANUFACTURER PART: 1025834. 3 to 4mm ER20 Collet 0.0152mm TIR, 31.5mm OAL, 21.01mm Overall Diam (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Collets, Closers & Accessories. ER Collets. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: KennametalCollets, Closers & AccessoriesColletsER ColletsN/A.