Check the listing for details. NBRLA - NANOLITE BLACK A-FRAME SPINNING GUIDES 1 PER ORDER. Color: Black, Condition: New. Listed at 2.45 USD. The Ring Lock™ A-Frame single foot guide takes spinning guides to the next level. They’re designed to add strength and durability that no other guide offers. They are the first of a kind with no other guides like them for durability and performance. Frames are comprised of 316SS material. High frame ring locations with lateral struts prevent frame twists and ring loss. The vector angle crease prevents frame collapse and a short guide foot print results a reduction of in action inhibiting flat spots on the blank. NANOLITE RING ModelModelHeight AHeight BHeight CWeightRing IDFootTotal LengthNCRLA-6NBRLA-68.89 mm13.16 mm14.76 mm0.3 gm4.27 mm7.6 mm13.69 mmNCRLA-7NBRLA-78.6 mm13.5 mm15.4 mm0.4 gm4.9 mm7.7 mm14.73 mmNCRLA-8NBRLA-89.6 mm15.5 mm17.42 mm0.5 gm5.9 mm8.3 mm15.38 mmNCRLA-10NBRLA-1012.65 mm20.35 mm22.46 mm0.7 gm7.7 mm8.5 mm17.2 mmNCRLA-12NBRLA-1215.85 mm24.94 mm27.14 mm1.1 gm9.09 mm10.3 mm21.5 mmNCRLA-16NBRLA-1618.02 mm29.52 mm31.94 mm1.8 gm11.5 mm13.65 mm24.5 mmNCRLA-20NBRLA-2023.4 mm38.25 mm41.05 mm2.7 gm14.85 mm16.8 mm30.0 mmNCRLA-25NBRLA-2526.6 mm46.15mm49.25 mm4.1 gm19.55 mm19.1 mm37.25 mm NCRLA-30NBRLA-3028.5 mm53.5 mm57.2 mm7.0 gm25 mm21.1 mm40.5 mm