ITEM NAME:Metal Drum Turn Screw Clip Screwdriver for Drum Repair Parts Description: Drum Turn Screw Extension Clip Screwdriver. Small and easy to use. Durable and practical. Can adjust the screw tightening length of the drum. Material:Metal Size Chart: Approx. 7.5 x 2cm / 2.95 x 0.79inch Hole Diameter: Approx.8mm/0.31inch Approx.11mm/0.43inch Package Includes: 1 Piece Drum Screw Clip SKU: CKX0015686478007681.Drum Turn Screw Extension Clip Screwdriver. Can adjust the screw tightening length of the drum. 1 Piece Drum Screw Clip. Small and easy to use. Size Chart.