Schaefer - Universal Adapter/ 1 in. x1/8 in. Cat. No. SCH50473 Weight 0.5 lbs	$137.00
Schaefer - Universal Adapter/ 1 in. x1/8 in. (25x3mm)  #504-73 is a Universal Slide for 1" x 1/8" "T" track     * Accepts any 504, 505 or 506 Series Blocks.     * Slide Liners prevent damage to track.     * Spring pin stop     * Heavy duty stand-up spring Track Size: Universal 5 series adapter