Single Tension Guides Unthreaded pass-through tension rod eyelet guides for single tension drums.Jump to section:GretschKentLeedyLudwigWalberg & Auge Gretsch Gretsch 1910s single tension guides, one of several obscure early eyelet styles that Gretsch used. Gretsch single tension eyelets guides from a 1920s or 30s "American" badge drum Gretsch single tension guides, 1940s-60s Kent Kent single tension guides, 1940s-60s Leedy Leedy single tension eyelet guides, 1920s-30s Leedy single tension guides, 1938-40s. Supposedly the inspiration for the George Way turret lug casing design. Ludwig Ludwig & Ludwig single tension guides, 1920s-50s. An ubiquitous style also used on Leedy and Leedy & Ludwig drums. Rogers Rogers single tension eyelet guides, 1950s-60s Walberg & Auge Walberg & Auge single tension guides, probably 1900s-10s