This car fits all 32mm and 1 1/4" T-track including Antal, Ronstan, Schaefer and Pfeiffer, so you can replace your genoa lead cars without the hassle and expense of removing your existing track. Includes plastic inserts in three sizes to ensure a correct fit. 2" dia. sheave. One-piece, solid aluminum construction. Stainless carrier tilts side-to-side for a fair lead. MWL: 3,000lb.; Breaking strength: 6,000lb. 5 1/8"L x 2"W x 4 7/16"H. Weight: 22.1oz.