LIMTED STOCK The new R4C design has many improvements over the oriental R Class throw off. Due to the new design the R4 has fewer parts, is lighter and will now fit on 4" deep snare drums. Other features include a user adjustable friction control for the snare tension control and the swivel lever. The mounting track has been modified to allow it to be fitted to shells of various thickness without need for special fasteners - handy for manufacturers who make shells of different or thicker dimensions. Because of the reduced size and the use of lighter casting materials the weight of the R4 is substantially lighter than the current R Class ALL New Genuine Dunnett part with all-metal die-cast construction for maximum durability. Nearly bullet proof design by Ronn Dunnett of Dunnett Classic Drums. Incredibly smooth action with a release lever that swivels 180 degrees so you can have it close at any point you wish ...giving easy access regardless of the position of the drum! Mounting spacing is adjustable from 1/2 inch up to 1 1/8 inches with the unique slotted mounting channel hole design. Included mounting screws will work with a shell thickness up to 1/2 inch.Feature allows this model to retrofit many snare drums on the market without drilling new holes. Should fit DW snares with busted Nickel strainers. ...Incorporating a design element akin to hydraulics, this snare strainer is quiet, smooth, and strong and will not detune. Its patented design features integral cylinders and pistons that provide precision movement to + .002 . Tensioning of the snares is maintained by way of a tune locking-torque adjustment system. Having a tensile strength of 3,700 lbs., an ANSI standard connecting link provides precise and durable toggle mechanics. An undercarriage gives uniformity in directional tensioning on the snare bed. Finally, superior materials provide aesthetic appeal and strength that is unmatched. We include the mounting screws. "It‚Äôs a very simple and effective design. It‚Äôs quiet, smooth and very solid - I guarantee no one will be breaking any of these."--Ronn Dunnett This strainer will fit on a shell as small as 4in in depth, But will function best on a drum of 5 inches or deeper in depth.