Catalina Maples mounting hardware includes a round gas cap bass drum mount plate and an ultra-low profile GTS mounting system. Gretsch T-Wing screws and bolts are included on all fittings for drummer-friendly feel and rubber isolated die-cast bass drum claws help keep bass drum hoops looking new. The 7-ply Gretsch-formula maple shell has 30-degree bearing edges and natural shell interiors. Bass drums include telescopic bass drum spurs and matching maple wood bass drum hoops. Toms and snare drums feature 2.3mm triple flanged hoops.