3 Pcs 5/8'' -11 Thread Angle Grinder Shaft Extension Connecting Rods Product Details 5/8'' shaft extension are made of aluminum alloy. 5/8'' shaft extension are made of aluminum alloy Suitatble for all 5/8"-11 thread Polisher and Angle Grinder 3 Size Optional, 2.9 inch, 3.9 inch, 5.5 inch. Note: you can connect them to a longer length as request Stable installation with Precise thread,make sure the polisher or grinder working smooth without loosening The angle grinder shaft extension can help you reach the narrow, tight or awkward place which normal grinder or polisher can not touch, It needs to be matched with various grinding heads, grinding wheels, grinding discs and so on Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.