Backhead Reverse Quadrant -- For Power Reverse Brass HO Scale Cal Scale 190-373

Cal-Scale HO Cast Brass Backhead Throttle Front End - 190-370 BH-370

Cal-Scale HO Cast Brass Backhead Small Quad - 190-374 BH-374

HO Scale Brass Backhead Throttle for D&RGW, #3009 BNOS Cal-Scale

Steam Locomotive Backhead Air Stand Standard Brass HO Scale Cal Scale 190-367

Cal-Scale HO #373 Reverse Quadrant (Brass Casting) 1:87th Scale

Cal-Scale HO #373 Backhead Reverse Quadrant -- For Power Reverse

Cal-Scale HO Cast Brass Backhead Throttle Horizontal - 190-369 BH-369