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CM® CM® Series 632 Low-Headroom Trolleys More compact and 50% lighter than conventional trolleys, this CM® Low-Headroom Trolley is every bit as rugged. Made of the highest quality rolled steel. A unique ball bearing wheel design provides as much as 5 times greater wear. Trolley can negotiate radius curves as tight as 710", depending on the capacity. Dial-Fit™ collars are die-cast aluminum and adapt to I-beams and flat- or wide-flange beams.NOTE: Dimensions given are for the minimum S-Beam and will vary with larger beams. Complete Item # NAME | SKU Cap. Lbs. Wt. Lbs. Stock Number Suspension Pin Dia. Mounting Clearance Fits Beam Height Fits Flange Width Wheel Dia. Overall Width Product Code For Use With Manufacturer Part Number Qty. Price 7277901 7277901 500 13 7277901 3/4" 1-3/4" 412" 2-5/85-1/8" 2-3/4" 5-7/8" S "I-beams, flat-flange beams, wide-flange beams" 3222 186.00 7277902 7277902 1000 13 7277902 3/4" 1-3/4" 412" 2-5/85-1/8" 2-3/4" 5-7/8" S "I-beams, flat-flange beams, wide-flange beams" 3222 186.00 7278000 7278000 2000 13 7278000 7/8" 1-5/8" 412" 2-5/85-1/8" 2-3/4" 6" S "I-beams, flat-flange beams, wide-flange beams" 3224 231.00 7278200 7278200 4000 25 7278200 1-1/8" 2" 615" 3-1/45-5/8" 3-1/2" 7-1/2" S "I-beams, flat-flange beams, wide-flange beams" 3226 343.00 7286700 7286700 6000 33 7286700 1-1/8" 2-5/8" 818" 46-1/4" 3-1/2" 8-1/16" S "I-beams, flat-flange beams, wide-flange beams" 3230 602.00