Upgrade your riser from factory components and install the Kaminski Precision Tiller Bolts. Make bow tuning easier by using the tightest tolerances in the limb-to-tiller bolt interface. Get results with the most consistent limb alignment and shoot tighter groups downrange. Specifications: Precision Machined to .001" .375" model bolts measure between .374-.375" .380" model bolts measure between .379-.380" Laser Engraved Indicators for easier and more consistent tuning, and tiller adjustment Durable stainless steel construction Weight: 1.56 oz (44 g) Quantity: 2-pack Fitment Available to Fit 2009 and Newer HOYT Risers Hoyt Model does not include a locking grub screw and may be purchased separately if needed (Item 2560668) Available to Fit Win & Win For A&B type risers that use M13x1.25 threaded tiller bolt, including but not limited to; INNO AXT, INNO AL1, Winex, Winact-VT, META DX, RADICAL PRO, ATF, ATF-X, ATD-DX, TFT, TFT-G, CX7 WINEX, CXT (With M13x1.25 Tiller Bolt) Win & Win model also fits Sebastien Flute NEO, EVO, ISO PRO, Ascent, and Newtron risers Win & Win model includes the collet locking set screw Sizing: Measure the inside of your limb fork where the Tiller Bolt interfaces with the limb Using a set of calipers, ensuring the tool is perpendicular to the inside of the forks record a measurement to determine the tightest fit For measurements .3765" and under order Model .375" bolt For measurements .377" and over order Model .380" bolt Note: does not fit the INNO Max, INNO CXT (with M12x1.25mm Tiller Bolt), RCX-100, Rapido, SF Forged Plus, SF Axiom+L, SF Axiom Plus Light, SF Axiom, and SF Premium Plus risers (these use C type bolts and use M12x1.25mm thread)