Home » DIY Speaker Cabinet Parts » Speaker Cabinet Corners 1 of 2 Penn Elcom Chevron CornerPrice: USD $0.60 Quantity:DescriptionSpecificationsRelated Items Penn Elcom's Chevron corners are the best on the market. Tougher plastic, more flexible, thicker It is far superior to the other corners I have tried. Use a 1/2 radius round over router bit for the best fit Perfect for guitar and bass cabs. Measured Drawing 1/2 x6 Cabinet ScrewPrice: USD $0.07 Product ReviewsNo Reviews For This Product.