The original MagSlide has a smokey grey "Black Chrome" finish with a polished finish that produces a warm, glass-like tone with minimum string noise on both acoustic or electric guitars.
 
Ring Size:: 9 1/2-11 1/2 (Medium-Large)
Length: 2.63” (66.8mm)
OD: 1.09” - 1.15” (27.69mm - 29.21mm)
ID: .760" - .840" ( 19.3mm x 21.34mm )
Weight: 1.3 oz.