توضیحات

All spearfishermen eventually when they become experts, personalizetheir equipment, one of the first things to customize are theslings, seeking for a solution that will give better performances.-Calculate sling length from barrel length, head width, wishbonelength and enlogation factor. -Get information about number of pumpstrokes and pressure for major air guns (Omer, Cressi, Mares,...)KW Arbalete, apnea, pescasub, spearfishing, sub, diving, spearfish,pesca, fishing, roller, apnea, Cressi, Omer, podvodni ribolov,ribolov