Woodys Trigger Stud TRIG-1630-S The necessary ammunition for lake racers The Trigger has a long and narrow profile providing you with unmatchable penetration 60 degree carbide tip and 5/16in. shank and 15/16in. head make it durable enough for any lake conditions you find These race studs are available in packages of 48 pieces that include Woodys aluminum Big Nuts NOTE: When using studs of this length, it is essential to have proper clearance and tunnel protection.