Pro Tapes Pro-Spike-Corners Spike Tape Corners are a die cut version of Pro Tapes Pro-Gaff Spike tape. They are a high strength vinyl impregnated cloth tape with a matte finish. Pro-Gaff Spike Corners have a high performance adhesive system; are highly conformable to irregular surfaces; and are waterproof, abrasion resistant and hand tearable. Used for spiking stages and sets. The corners are die cut from 2 inch (48 mm) tape.