Heavy duty polished cast 316 stainless steel.
Superb finish & quality. Pin welded in position.
53mm length opened x 34mm width/pin length.
Leaves 4.7mm thick. Countersunk screw holes.
Fix with 5mm or 3/16" screws or 10g self tappers. 
Interchangable (i.e. identical hole positions) with chrome plated versions (4866R).

Priced & sold in pairs.