Purdy Marathon 9 in roller cover — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/purdy-marathon-9-in-roller-cover/ (CC BY 4.0) Basis: Purdy Catalog version: 2026-10-20 Overall (mm): length 228.6, width 38.1, height 38.1 - Purdy Marathon 9 in roller cover: length 9 in (228.6 mm); core diameter 1.5 in (38.1 mm); naps 3/8, 1/2, 3/4, 1-1/4 in. The US standard: a 9 in cover on a 1-1/2 in core that slides over a 1-1/2 in cage. Diameter over the nap is not published. The file is the nominal core (Ø1-1/2 × 9 in). - Actual published size, no printing allowance. The file is the envelope at that size. dimension value length 9 in (228.6 mm) core diameter 1.5 in (38.1 mm) naps 3/8, 1/2, 3/4, 1-1/4 in Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Purdy: Purdy Marathon 9 in roller cover — web — Publisher's page; dimensions are facts — https://www.purdy.com/en/products/rollers/marathon Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/purdy-marathon-9-in-roller-cover/index.json API: https://xemstudio.com/api/geometry?object=purdy-marathon-9-in-roller-cover