https://www.mcmaster.com/products/riser-clamps/specifications-met~ansi-mss-sp-58-type-8/
ANSI/MSS SP-58 Type 8 Riser Clamps | McMaster-Carr
Choose from our selection of ANSI/MSS SP-58 type 8 riser clamps, including over 60 products in a wide range of styles and sizes. Same and Next Day Delivery.
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