The Rutgerson BS slide system facilitates mainsail setting and recovery. The slides are made of a high-strength composite material and are available for boats up to 50 feet monohull and 40 feet multihull. They are available for four profile sizes and two wheel sizes to fit most masts. For mounting with batten fittings 8514-90, RU-1490B (see accessories) or with webbing. Art.no. Version Profile mm Length mm Wheel Ø mm Alternative to 8515-325-11 Standard 11mm 55 15,5 SM1335, A014 8515-325-16 Standard 16mm 55 15,5 HA89, A007 8515-325-19 Standard 19mm 55 15,5 HA90, A008 8515-325-20 Standard 20mm 55 15,5 511-605, 511-607 8515-325-23 Standard 23mm 55 15.5 HA91, A009 RU-1526-11 Big Wheel 11mm 55 19.5 SM1335, A014 RU-1526-16 Big Wheel 16mm 55 19.5 HA89, A007 RU-1526-23 Big Wheel 23mm 55 19.5 HA91, A009