What is the difference between a Kensington vs Noble lock slot?

What is the difference between a Kensington vs Noble lock slot? lock slot 8 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 Qty:1 Slot See all features Features; Specifications Easy to lock it link diamonds slot The Lock-Slot 8 features a drop forged head of high carbon steel, rockwell heat-treated and coated with anti-rust zinc plate The “marrying slots” lock the

lock it link diamonds slot slot of its supporting member , the upper surfaces of said supporting 8 not printed in the Gazette ] 1,131,723 LOCK ATTACHMENT FOR SOCKETS

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