PERFECT COMPATIBILITY: 1/4 10 inch tape splicing for Revoxsonido opening reel to reel cassettes, full track splicing block with one roll of splicing tape, one roll of leader tape, and two blades, fully functional. ADJUSTABLE LENGTH: Holds your 1/4 tape steady on the splicing block, exactly matching the width for easy tape cutting. You can move the tape to the desired length and the tape and cord won't slip off when cutting. EASY TO USE: Tape splicing block channel size is accurate, using tape splicing is fast and easy, fix all broken tape connections due to work failure, made for hobbyists and professionals. PROFESSIONAL: Studio grade CNC aluminum block, beautifully textured aluminum, compact size, easy to install and use, holds the tape in place while splicing to ensure a stable splice. ANODIZED FINISH: The tape splicing block is hard anodized to effectively prevent oxidation from contaminating the tape surface and affecting recording quality.