uxcell&reg; T2 T Mount Lens Adapter Ring for Pentax K PK K-7 K-x K-m K20D K200D Product Name : Camera Adapter Ring;Type : T2-PK Total Size : 60 x 15 mm / 2.4" x 0.6" (D*H);Material : Aluminum Color : Black Net Weight : 40g Package Content : 1 x Adapter Ring (Non-OEM)