Overview Reviews Product Description BSPP 1" 11 Go Thread Ring Gauge Dec. 1.000" Frac. 1" TPI 11 Class A Description G1 x11 BSPP Go Thread Ring Gage Standard ISO 228 / BS2779 / DIN 255 Product Videos Custom Field Product Reviews Write a Review Write a Review × G1 x 11 BSPP Go Thread Ring Gage Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *