For sale is a Round Shank Tool Holder that accepts TG-100 collets. 1" Maximum diameter capacity. 2" Tool-holder shank diameter. 5-3/4" Approximate length of tool-holder. Several available. NOTE: This listing is for the tool-holders ONLY; no collets or tools will be included. $12.34 cost for shipping up to (8) holders via USPS medium flat rate box.