Lokar Shifter and Hand Brake Boots are made of black Naugahyde. All sets include a boot and a Stainless base ring OR a billet aluminum ring with ball-milled edge and stainless screws. Stainless boot rings are available in polished stainless or black powder coat. Aluminum boot rings are available in brushed aluiminum or black anodized finish. The Lokar Classic Shifter Boot is designed with a polished stainless bezel on top of the boot which fits over the shifter lever. It also includes a foam rubber seal to eliminate air flow from the floor through the boot. Black naugahyde. Includes foam rubber seal. Eliminates air flow from floor through boot. Designed with polished stainless bezel on top of boot. No unsightly pull ties or laces. Boot hugs shifter lever. Made in the U.S.A. Lifetime warranty. Black Naugahyde Incl. Foam Rubber Seal Eliminates Air Flow From Floor Through Boot Designed w/Polished Stainless Bezel On Top Of Boot No Unsightly Pull Ties Or Laces Boot Hugs Shifter Lever Made In The U.S.A. Lifetime Warranty Round boot ring assembly will fit all transmission mounted "ATS" shifters Floor mount or cable operated shifters ("FMS" & "COS") will require rectangle boot ring assembly Description Outer Dimension Inner Dimension Stainless Round 5" 4" Billet Aluminum Round 5-1/4" 4" Stainless Rectangular Floor Mount 6-3/4" x 5-1/4" 5-1/2" x 4" Billet Aluminum Rectangular Floor Mount 6-3/4" x 5-1/4" 5-1/2" x 4"