RPM Deep Stage 4 Barb Bowfishing Broadheads - The DS4 sports 1-3/8-inch stainless spring steel swept barbs designed for the ultimate in holding power. The smaller (.07) diameterbarbs partially collapse on impact, but immediately expand as arrow velocity decreases; the result is incredible penetration, with the ultimate in holding power. Weight: 2.00 lbsWidth: 1.00 (in)Height: 36.00 (in)Depth: 1.00 (in)