Spr. Loaded/Lined Slide/Alum. for 1" T-Track 504-82

504-82 Stand up spring block for 1" T-Track. Delrin(tm) sheave ensures smooth operation and high safe working load. Anodized aluminum cheeks and stainless steel slider ensure reliability. Polyethylene liner and pin stop allow for easy adjustment. Track Size 1" x 1/8" (25 mm x 3 mm), Boat Size Up To LOA, 27' (8m),  Disp. 5000 lbs (2270 kg), Sail Area 315 sq ft (29m2), Length 3" (76mm), Width 1-1/4" (31mm), Height 4-5/32" (105mm), Bearing Height of sheave 2-7/32" (56mm), Safe Working Load 1750 lbs (795 kg), Weight 6.5 oz (184 g)