Hiya Hiya Interchangeable needles are now even more versatile with their Single Point Adapter Sets. Create single point needles in a variety of lengths. Total length will vary depending on how you configure your needle by adding extenders, adapters and of course, the size of your needle tip. This Single Point Adapter Set LARGE fits HiyaHiya Interchangeable Needle tips in Steel, Bamboo and SHARPs in US sizes 9-15(5.5mm-10mm). The large set includes one pair of the following: Panda Cable Stoppers Large 3.5″ single Point Adapters 2″ Single Point Extenders 3.5″ Single Point Extenders Interchangeable tips are not included. The small set fits HiyaHiya Interchangeable Needle tips in Steel, Bamboo and SHARPs in US sizes 2-8 (2.75mm-5mm).