Top Going Mechanical Length Measure Unit Trumeter mechanical length measuring units provides the user with an accurate, heavy duty instrument which can be used within a comprehensive range of applications 6 digit display with 6.4mm digit height Supports a maximum speed of 3000 rpm Various units of measure including: Feet & Inches Yeards & Eigths Meters & Centimeters All variants within the range offer the facility to be positioned at any angle with a hinged fixing for added freedom for installation Compatible with Trumeter 3602 series counters ( RS Stock No's 815-8346 & 815-8340 ) Note All Trumeter products come with a 3 year manufacturer's warranty