Schaefer's Big Boat flat batten receptacles are engineered to handle the extreme compression loads experienced on today's high roached mainsails. Machined aluminum body and backing plate keeps weight to a minimum while retaining strength where needed. The 6000-16 accepts 16 mm studs from Schaefer slides or competitors track systems. Leech loading and fully adjustable for easy batten fit. Fits battens up to 60 mm x 18 mm. Adjustment range 4.5" (114mm), Length 11.75" (300 mm), Width 4.5" (114 mm). Weight 4.2 lbs, 1.9 kg.