Kit includes 8 mm, 10 mm, 12 mm, and 14 mm colletsPuller rod can be used to remove slightly stuck pinsSlide hammer attachment for severely frozen pinsDurable hardened steel constructionLaser etched for easy identificationIncludes handy storage tray to keep pieces organized and ready for useAdditional dowel pin collet sizes available separately - 08-0707 (21mm), 08-0708 (19mm), 08-0709 (17mm), 08-0710 (13.8mm), 08-0711 (12.5mm)Lifetime limited warrantyPatented Design