Sylvan Round Cavity Slider 65mm Stainless Steel SKU: 351108 MODEL: C1BK.SS Error. try again later You've successfully joined the club $ 43 .90 each Available on orders $50 to $1500. More info × Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Flush design for total door retraction. Features and benefits Installed into a standard 54mm hole for easy installation. Suits door thickness: 32 to 42mm.