HSS boring tool set

One each cutter for 60 degree (metric) and 55 degree (Whitworth) inside threads, 3/64" (1.3mm), 7/64" (2.65mm) and 5/32" (4mm). Shank: 15/64" (6mm). Length: 3 3/16" (95 mm). The cutters are held by a tool holder that mounts to the tool post of the PD 230/E. Comes in a wooden box. NO 24 520 Returns can only be accepted for unused product in its original packaging. In addition to the returned item / items, a copy of the original packing slip or invoice is required. If proper paperwork is missing, PROXXON Inc. will not issue a credit. For warranty claims please call 1-877-776-9966. Please see our return and refund policy here. California Residents Prop 65 Information WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.