Allcock's Redditch the Flick-Em alloy centre pin real 4 inch spool twin screw latch twin handles and milled tensioner on off check show signs of use runs very well. JW young son Seldex 3 1/2 inch spool twin screw latch twin handles on off check spins very well. Strike right centre pin real 3 ½ spool with twin handles on off check spins very well (3)