Remo DynamO 4" White Bass Drum Head Port Hole Cutting Template & Reinforcement Ring DM-0004-00-10 Perri's 10 rows of ball bearings

10 rows of ball bearings

5" (Hembra) sizes

This particular bass drum patch is for double kick pedals

Variations in colour

travel settings

Remo DynamO 4" White Bass Drum Head Port Hole Cutting Template & Reinforcement Ring DM-0004-00-10 Perri's 10 rows of ball bearingsRemo Is The World's Largest Drumhead Company. For 60 years Remo has led the way in drumhead and shell development to enhance and expand the possibilities of percussion. DYNAMO The DynamO is a hole cutting template for resonant Bass drumheads that provides a vent hole for all drum mics. The DynamO is a laminated Mylar ring with a high strength adhesive backing, providing added durability for the drumhead to prevent tearing when adding or removing