Schonstedt® Sonde - Large (512 Hz)By Schonstedt Instrument Company $634.00 | EA Quantity discounts available QuantityPrice Product #: 100738Mfr. Part #: TM50910A This item is in stock Quantity -+ Add to Cart Free Ground Shipping On All Orders Over $1500!*Conditions Apply* Details Features 4-1/8 in long by 1-1/2 in diameter Thread: 1/4-20 on spring end, 3/16-32 directly on sonde Depth Range: 14 to 16 ... DetailsBackFeatures 4-1/8 in long by 1-1/2 in diameter Thread: 1/4-20 on spring end, 3/16-32 directly on sonde Depth Range: 14 to 16 ft max Product Specifications Brand Schonstedt Instrument Company Compatible Model Rex Dimensions UoM IN Battery Type One "AA" Battery California residents see Prop 65 WARNINGS