The MENACE 442 (4" diameter, 4 fins & 2 manufacturers) a combined effort by MAC Performance Rocketry and Wildman Rocketry. 

Specifications: 

Dual Deploy (HED) 
Length: 47.5 inches
Motor Mount: 54mm                                    
Approximate Weight: 4 lbs (Includes retainer, Kevlar bridles & hardware)
H through K motors                                                

Contents of Kit:

• 28" canvas phenolic airframe
• 54mm x 10" kraft phenolic motor tube
• 4:1 Wildman FWFG-VK nosecone -- 17" exposed
• (4) 1/8" canvas phenolic beveled fins
• 3/8" fore center ring
• 3/16” stepped canvas thrust ring
• 3/8" tubular Kevlar booster bridle
• Avbay includes: s/s eye nuts, aluminum threaded rods, 3-D printed altimeter board, switch band and all necessary hardware