5/16 x 18 JOINT SIZE. TRIANGLE LEATHER TIP BY TWEETEN USA.Buck Nutz LLC d/b/a Sunshine Hut Billiards and Darts has over 40 years of experience between the two owners. We will only carry high quality products and have a 100% low price guarantee. Keep watching as we add new products to our store every week. And most importantly, THANK YOU for checking us out and we hope to see you soon. ALSO THEY SHOULD INCLUDE ALL PACKAGING, LABELS AND TAGS.