Multi position keyhole mounting bracket23 in. PVC cushion wrist rest wraps around the front edges of the drawerAmbidextrous swivel 8 in. mousing surface with wire managementInjection moldedPrecision steel ball bearing slide assembly with lockoutInboard and outboard brackets mount position under work surfaceOutboard application widths 23 in. and greaterInboard application widths less than 20.75 in.Adjustment height upto 7 position 2.25 to 3.60 in.Clearance fits 23 in. with spaceBHMA, KCMA and BIFMA applicationsWarranty: Lifetime limitedBlack standard finishMinimal assembly requiredTray Size: 20 in. L x 10 in. W