Schaller Tremolo block 37mm Tremolo/Vibrato

Schaller Tremolo Block 37mm Nickel — Pure Sound Brass Mass for Locking Tremolo Systems

The Schaller Tremolo block 37mm Nickel is a precision-machined replacement block for the Schaller Tremolo double-locking system, designed to drop into existing routings without modification. Cut from Pure Sound Brass and weighing 119 g on its own, the 37 mm block adds meaningful mass behind the saddles, which translates into tighter low-end response and noticeably longer sustain when compared with lighter zinc or hollow steel blocks. The nickel-plated finish matches the rest of the Schaller Tremolo hardware family and most production electric guitar appointments.

What sets this block apart in the locking tremolo category

Two construction choices separate the Schaller block from generic aftermarket alternatives. The first is the use of Pure Sound Brass — a denser, acoustically richer alloy than the zinc or mild steel used in many OEM blocks. The second is the 3-screw mounting pattern at exactly 17 mm spacing, which locks the block to the Schaller zinc-cast baseplate with no play, so string energy transfers cleanly into the body rather than being lost at the joint.

Dimensions and Fit — Compatibility with Schaller Tremolo and Floyd Rose-Style Routings

Correct block geometry is essential for a drop-in upgrade. The 37 mm length is the most popular middle option in the Schaller range, sitting between the lighter 32 mm and the heavier 42 mm versions, and it fits the standard Schaller Tremolo routing as well as most licensed Floyd Rose cavities.

• Block Length: 37 mm — middle-weight option in the Schaller line, balanced for most routed bodies.
• Block Weight (alone): 119 g — adds mass behind the saddles for fuller tone and longer sustain.
• Baseplate Compatibility: Schaller Tremolo 1302 series (zinc-cast baseplate) — direct fit via 3 fixing screws.
• Mounting Stud Spacing: 74.3 mm — matches the international standard used across most locking tremolo routings.

Hardware Specs — Materials, Finish, and String Capacity

The block is one part of a wider hardware system, so its finish, density, and string-gauge tolerance need to align with the rest of the tremolo. Schaller rates the complete Tremolo assembly for strings up to .080, and the nickel plating on the block matches the saddles, claw, and locking nut for a uniform look across the bridge.

• Material: Pure Sound Brass — denser than zinc or steel, improves sustain and low-end weight.
• Finish: Nickel — matches nickel-plated saddles, claw, and locking nut.
• Maximum String Gauge: .080 — covers standard 9–42 through heavy 10–46 and drop-tuning sets.
• Fixing Screws: 3 screws at 17 mm spacing — rigid coupling to the baseplate, no rattle.

Tonal and Mechanical Benefits — Why Brass Mass Matters

Mass at the bridge is one of the simplest ways to change how a locking tremolo feels and sounds. A heavier brass block reduces the sympathetic wiggle of the strings after the pick attack, which most players hear as more sustain and a thicker bottom end. It also helps the tremolo return to neutral position more predictably after dive-bombs and pull-ups, because the added inertia resists the spring claw less abruptly.

• Sustain: Extended note decay — brass mass keeps strings vibrating longer after the pick attack.
• Tonal Character: Warmer low end, fuller midrange — brass darkens and thickens the tone versus zinc or steel.
• Return-to-Zero Stability: Improved — heavier block resists spring tension changes, helping tuning after extreme arm use.