Though no longer manufactured, refurbished units, parts and maintenance support are available from several vendors. Bowl-Mor pinsetters have a depressed pit approximately 14" long at the end of the bowling lane, placed about 4" below the level of the lane surface, with a heavy curtain behind it, hanging past the lane surface but not touching the bottom of the pit. The curtain arrests the backwards motion of struck balls and pins so that they fall onto the pit. When a reset takes place, a "twin-board" sweep bar descends, driven by a roller chain drive system on each side of the machine along a pair of "L"-shaped tracks, and sweeps the pins and balls off the lane, rearwards off the pin-plate, past the curtain, and onto a rotating turntable in the pit with eight flat radial "fences" to push the pins rearwards. The turntable's fences separate the ball from the pins by centrifugal force, sending pins into the pin elevator. A pin elevator composed of a roller chain-driven rotating rack of open frames (similar to an industrial toaster) catches the candlepins and hauls them towards the top of the machine. It then turns 90 degrees, moving the pins horizontally past ten conveyors, each wide enough to hold a pin lengthwise. Unlike the pinspotters used for tenpins and duckpins, candlepins have identically shaped ends, so the machine does not have to orient the candlepins in a particular direction. The pins fall off the end of the conveyors into spotting tubes, mounted at their base onto the plate that forms the main part of the spotting table. As the sweep nears the forward end of its travel and begins its ascent to its resting position, the table drops to the metal plate pindeck at the end of the lanebed, releases a set of pins, then ascends to its own resting position, ready to be filled with pins again. A separate elevator next to the turntable transports the balls to the ball return system, which has a near-vertical ramp that the balls roll down to gain enough momentum to roll through either an above-lane or submerged trough back up the alley, entering the ball return rack next to the approach area where players can grab them. Bowl Mor pinsetters are stocked with 24 to 27 pins, and are deemed substantially more reliable than typical Ten-pin bowling pinsetters. Due to the playing rules of candlepin